30157564 has 24 divisors (see below), whose sum is σ = 54810000. Its totient is φ = 14501760.

The previous prime is 30157549. The next prime is 30157573. The reversal of 30157564 is 46575103.

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, 57624 + ... + 58144.

It is an arithmetic number, because the mean of its divisors is an integer number (2283750).

Almost surely, 2^30157564 is an apocalyptic number.

It is an amenable number.

30157564 is a deficient number, since it is larger than the sum of its proper divisors (24652436).

30157564 is a wasteful number, since it uses less digits than its factorization.

30157564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1053 (or 1051 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 30157564 is about 5491.5902979010. The cubic root of 30157564 is about 311.2662876484.

The spelling of 30157564 in words is "thirty million, one hundred fifty-seven thousand, five hundred sixty-four".