157900929 has 8 divisors (see below), whose sum is σ = 210648480. Its totient is φ = 105210336.

The previous prime is 157900907. The next prime is 157900931. The reversal of 157900929 is 929009751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 157900929 - 2⁷ = 157900801 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (157900229) 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, 7284 + ... + 19205.

It is an arithmetic number, because the mean of its divisors is an integer number (26331060).

Almost surely, 2^157900929 is an apocalyptic number.

It is an amenable number.

157900929 is a deficient number, since it is larger than the sum of its proper divisors (52747551).

157900929 is a wasteful number, since it uses less digits than its factorization.

157900929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28479.

The product of its (nonzero) digits is 51030, while the sum is 42.

The square root of 157900929 is about 12565.8636392410. The cubic root of 157900929 is about 540.4990003356.

The spelling of 157900929 in words is "one hundred fifty-seven million, nine hundred thousand, nine hundred twenty-nine".