157854374 has 4 divisors (see below), whose sum is σ = 236781564. Its totient is φ = 78927186.

The previous prime is 157854349. The next prime is 157854383. The reversal of 157854374 is 473458751.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39463592 + ... + 39463595.

It is an arithmetic number, because the mean of its divisors is an integer number (59195391).

Almost surely, 2^157854374 is an apocalyptic number.

157854374 is a deficient number, since it is larger than the sum of its proper divisors (78927190).

157854374 is an equidigital number, since it uses as much as digits as its factorization.

157854374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78927189.

The product of its digits is 470400, while the sum is 44.

The square root of 157854374 is about 12564.0110633507. The cubic root of 157854374 is about 540.4458754543.

The spelling of 157854374 in words is "one hundred fifty-seven million, eight hundred fifty-four thousand, three hundred seventy-four".