157974232 has 32 divisors (see below), whose sum is σ = 322847280. Its totient is φ = 72028800.

The previous prime is 157974203. The next prime is 157974241. The reversal of 157974232 is 232479751.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 519 + ... + 17782.

Almost surely, 2^157974232 is an apocalyptic number.

It is an amenable number.

157974232 is an abundant number, since it is smaller than the sum of its proper divisors (164873048).

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

157974232 is a wasteful number, since it uses less digits than its factorization.

157974232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18403 (or 18399 counting only the distinct ones).

The product of its digits is 105840, while the sum is 40.

The square root of 157974232 is about 12568.7800521769. The cubic root of 157974232 is about 540.5826267568.

The spelling of 157974232 in words is "one hundred fifty-seven million, nine hundred seventy-four thousand, two hundred thirty-two".