157975620 has 48 divisors (see below), whose sum is σ = 482545728. Its totient is φ = 38296960.

The previous prime is 157975613. The next prime is 157975663. The reversal of 157975620 is 26579751.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119019 + ... + 120338.

It is an arithmetic number, because the mean of its divisors is an integer number (10053036).

Almost surely, 2^157975620 is an apocalyptic number.

157975620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157975620 is an abundant number, since it is smaller than the sum of its proper divisors (324570108).

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

157975620 is a wasteful number, since it uses less digits than its factorization.

157975620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239380 (or 239378 counting only the distinct ones).

The product of its (nonzero) digits is 132300, while the sum is 42.

The square root of 157975620 is about 12568.8352682339. The cubic root of 157975620 is about 540.5842099823.

The spelling of 157975620 in words is "one hundred fifty-seven million, nine hundred seventy-five thousand, six hundred twenty".