157565130 has 32 divisors (see below), whose sum is σ = 379522368. Its totient is φ = 41865600.

The previous prime is 157565123. The next prime is 157565159. The reversal of 157565130 is 31565751.

It is a junction number, because it is equal to n+sod(n) for n = 157565091 and 157565100.

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, 916 + ... + 17775.

It is an arithmetic number, because the mean of its divisors is an integer number (11860074).

Almost surely, 2^157565130 is an apocalyptic number.

157565130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157565130 is an abundant number, since it is smaller than the sum of its proper divisors (221957238).

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

157565130 is a wasteful number, since it uses less digits than its factorization.

157565130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18982.

The product of its (nonzero) digits is 15750, while the sum is 33.

The square root of 157565130 is about 12552.4949711203. The cubic root of 157565130 is about 540.1155788269.

The spelling of 157565130 in words is "one hundred fifty-seven million, five hundred sixty-five thousand, one hundred thirty".