157030388 has 24 divisors (see below), whose sum is σ = 280476000. Its totient is φ = 76904288.

The previous prime is 157030381. The next prime is 157030403. The reversal of 157030388 is 883030751.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157030381) 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, 73763 + ... + 75861.

It is an arithmetic number, because the mean of its divisors is an integer number (11686500).

Almost surely, 2^157030388 is an apocalyptic number.

It is an amenable number.

157030388 is a deficient number, since it is larger than the sum of its proper divisors (123445612).

157030388 is a wasteful number, since it uses less digits than its factorization.

157030388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2479 (or 2477 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 157030388 is about 12531.1766406830. The cubic root of 157030388 is about 539.5038744564.

The spelling of 157030388 in words is "one hundred fifty-seven million, thirty thousand, three hundred eighty-eight".