157974320 has 40 divisors (see below), whose sum is σ = 419761824. Its totient is φ = 54162432.

The previous prime is 157974317. The next prime is 157974331. The reversal of 157974320 is 23479751.

It is a tau number, because it is divible by the number of its divisors (40).

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, 140489 + ... + 141608.

Almost surely, 2^157974320 is an apocalyptic number.

157974320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157974320 is an abundant number, since it is smaller than the sum of its proper divisors (261787504).

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

157974320 is a wasteful number, since it uses less digits than its factorization.

157974320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282117 (or 282111 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 157974320 is about 12568.7835529139. The cubic root of 157974320 is about 540.5827271345.

The spelling of 157974320 in words is "one hundred fifty-seven million, nine hundred seventy-four thousand, three hundred twenty".