157942958 has 4 divisors (see below), whose sum is σ = 236914440. Its totient is φ = 78971478.

The previous prime is 157942957. The next prime is 157942987. The reversal of 157942958 is 859249751.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157942951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39485738 + ... + 39485741.

It is an arithmetic number, because the mean of its divisors is an integer number (59228610).

Almost surely, 2^157942958 is an apocalyptic number.

157942958 is a deficient number, since it is larger than the sum of its proper divisors (78971482).

157942958 is an equidigital number, since it uses as much as digits as its factorization.

157942958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78971481.

The product of its digits is 907200, while the sum is 50.

The square root of 157942958 is about 12567.5358762169. The cubic root of 157942958 is about 540.5469515360.

The spelling of 157942958 in words is "one hundred fifty-seven million, nine hundred forty-two thousand, nine hundred fifty-eight".