157502144 has 28 divisors (see below), whose sum is σ = 330930504. Its totient is φ = 74118144.

The previous prime is 157502119. The next prime is 157502171. The reversal of 157502144 is 441205751.

It is a congruent number.

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, 71294 + ... + 73469.

Almost surely, 2^157502144 is an apocalyptic number.

It is an amenable number.

157502144 is an abundant number, since it is smaller than the sum of its proper divisors (173428360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157502144 is a wasteful number, since it uses less digits than its factorization.

157502144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144792 (or 144782 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 157502144 is about 12549.9858167251. The cubic root of 157502144 is about 540.0435995890.

Adding to 157502144 its reverse (441205751), we get a palindrome (598707895).

The spelling of 157502144 in words is "one hundred fifty-seven million, five hundred two thousand, one hundred forty-four".