157314474 has 20 divisors (see below), whose sum is σ = 352501314. Its totient is φ = 52438104.

The previous prime is 157314449. The next prime is 157314533. The reversal of 157314474 is 474413751.

157314474 is a `hidden beast` number, since 1 + 573 + 14 + 4 + 74 = 666.

It can be written as a sum of positive squares in only one way, i.e., 153140625 + 4173849 = 12375^2 + 2043^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon 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 in 9 ways as a sum of consecutive naturals, for example, 485377 + ... + 485700.

Almost surely, 2^157314474 is an apocalyptic number.

157314474 is an abundant number, since it is smaller than the sum of its proper divisors (195186840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157314474 is an equidigital number, since it uses as much as digits as its factorization.

157314474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971091 (or 971082 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 157314474 is about 12542.5066872615. The cubic root of 157314474 is about 539.8290199424.

The spelling of 157314474 in words is "one hundred fifty-seven million, three hundred fourteen thousand, four hundred seventy-four".