144974528 has 28 divisors (see below), whose sum is σ = 288066480. Its totient is φ = 72390912.

The previous prime is 144974477. The next prime is 144974563. The reversal of 144974528 is 825479441.

It is a super-2 number, since 2×144974528² = 42035227537645568, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92213 + ... + 93771.

Almost surely, 2^144974528 is an apocalyptic number.

It is an amenable number.

144974528 is a deficient number, since it is larger than the sum of its proper divisors (143091952).

144974528 is a wasteful number, since it uses less digits than its factorization.

144974528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3024 (or 3014 counting only the distinct ones).

The product of its digits is 322560, while the sum is 44.

The square root of 144974528 is about 12040.5368651070. The cubic root of 144974528 is about 525.3280223695.

The spelling of 144974528 in words is "one hundred forty-four million, nine hundred seventy-four thousand, five hundred twenty-eight".