157992874 has 8 divisors (see below), whose sum is σ = 255219300. Its totient is φ = 72919776.

The previous prime is 157992869. The next prime is 157992937. The reversal of 157992874 is 478299751.

157992874 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 156875625 + 1117249 = 12525^2 + 1057^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3038299 + ... + 3038350.

Almost surely, 2^157992874 is an apocalyptic number.

157992874 is a deficient number, since it is larger than the sum of its proper divisors (97226426).

157992874 is a wasteful number, since it uses less digits than its factorization.

157992874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6076664.

The product of its digits is 1270080, while the sum is 52.

The square root of 157992874 is about 12569.5216297200. The cubic root of 157992874 is about 540.6038900241.

The spelling of 157992874 in words is "one hundred fifty-seven million, nine hundred ninety-two thousand, eight hundred seventy-four".