144988556 has 12 divisors (see below), whose sum is σ = 254276568. Its totient is φ = 72338112.

The previous prime is 144988483. The next prime is 144988577. The reversal of 144988556 is 655889441.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36941 + ... + 40676.

It is an arithmetic number, because the mean of its divisors is an integer number (21189714).

Almost surely, 2^144988556 is an apocalyptic number.

It is an amenable number.

144988556 is a deficient number, since it is larger than the sum of its proper divisors (109288012).

144988556 is a wasteful number, since it uses less digits than its factorization.

144988556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78088 (or 78086 counting only the distinct ones).

The product of its digits is 1382400, while the sum is 50.

The square root of 144988556 is about 12041.1193831803. The cubic root of 144988556 is about 525.3449657225.

The spelling of 144988556 in words is "one hundred forty-four million, nine hundred eighty-eight thousand, five hundred fifty-six".