Number 144 - properties and curiosities

144 (number)

144

Number 144 properties

  • Perfect square
  • Fibonacci
  • Harshad
  • 144 is an even number.
  • 144 is a perfect square (12 × 12).
  • 144 is Fibonacci number #12.
  • 144 is a Harshad number, which means it is divisible by the sum of its digits (144 = 9, and 144 is divisible by 9).

Prime factorization

Prime factorization of 144: 2^4 × 3^2.

Divisors

Divisor count: 15

1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144

Factors of 144 are: 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144.

Representations

In octal, 144 is represented as 220.

In binary, 144 is represented as 10010000.

In hex, 144 is represented as 90.

Roman numeral: CXLIV

Curiosities

  • 144 is a perfect square, so it forms a square grid with equal side lengths.
  • 144 appears in the Fibonacci sequence, where each number is the sum of the previous two.
  • 144 is divisible by the sum of its digits.

Quick answers

Is 144 prime?
No, 144 is not prime.

What are the factors of 144?
1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144

What is 144 in binary?
10010000