-144 is an even number.
-144 is a Harshad number, which means it is divisible by the sum of its digits (1 + 4 + 4 = 9, and -144 is divisible by 9).
In binary, -144 is represented as 1111111111111111111111111111111111111111111111111111111101110000.
In hex, -144 is represented as ffffffffffffff70.