157157330 has 16 divisors (see below), whose sum is σ = 308600064. Its totient is φ = 57148080.

The previous prime is 157157323. The next prime is 157157339. The reversal of 157157330 is 33751751.

157157330 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (157157339) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 714242 + ... + 714461.

It is an arithmetic number, because the mean of its divisors is an integer number (19287504).

Almost surely, 2^157157330 is an apocalyptic number.

157157330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

157157330 is a deficient number, since it is larger than the sum of its proper divisors (151442734).

157157330 is a wasteful number, since it uses less digits than its factorization.

157157330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1428721.

The product of its (nonzero) digits is 11025, while the sum is 32.

The square root of 157157330 is about 12536.2406645693. The cubic root of 157157330 is about 539.6492120469.

The spelling of 157157330 in words is "one hundred fifty-seven million, one hundred fifty-seven thousand, three hundred thirty".