157992875 has 8 divisors (see below), whose sum is σ = 197175264. Its totient is φ = 126394200.

The previous prime is 157992869. The next prime is 157992937. The reversal of 157992875 is 578299751.

It is a happy number.

It is not a de Polignac number, because 157992875 - 2⁴ = 157992859 is a prime.

It is a Duffinian 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, 631847 + ... + 632096.

It is an arithmetic number, because the mean of its divisors is an integer number (24646908).

Almost surely, 2^157992875 is an apocalyptic number.

157992875 is a deficient number, since it is larger than the sum of its proper divisors (39182389).

157992875 is an equidigital number, since it uses as much as digits as its factorization.

157992875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1263958 (or 1263948 counting only the distinct ones).

The product of its digits is 1587600, while the sum is 53.

The square root of 157992875 is about 12569.5216694988. The cubic root of 157992875 is about 540.6038911646.

The spelling of 157992875 in words is "one hundred fifty-seven million, nine hundred ninety-two thousand, eight hundred seventy-five".