157539930 has 16 divisors (see below), whose sum is σ = 378095904. Its totient is φ = 42010640.

The previous prime is 157539883. The next prime is 157540007. The reversal of 157539930 is 39935751.

It is a happy 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, 2625636 + ... + 2625695.

It is an arithmetic number, because the mean of its divisors is an integer number (23630994).

Almost surely, 2^157539930 is an apocalyptic number.

157539930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157539930 is an abundant number, since it is smaller than the sum of its proper divisors (220555974).

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

157539930 is a wasteful number, since it uses less digits than its factorization.

157539930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5251341.

The product of its (nonzero) digits is 127575, while the sum is 42.

The square root of 157539930 is about 12551.4911464734. The cubic root of 157539930 is about 540.0867830346.

The spelling of 157539930 in words is "one hundred fifty-seven million, five hundred thirty-nine thousand, nine hundred thirty".