157304474 has 8 divisors (see below), whose sum is σ = 238608180. Its totient is φ = 77768416.

The previous prime is 157304473. The next prime is 157304479. The reversal of 157304474 is 474403751.

It can be written as a sum of positive squares in 2 ways, for example, as 116791249 + 40513225 = 10807^2 + 6365^2 .

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

It is not an unprimeable number, because it can be changed into a prime (157304471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 441689 + ... + 442044.

Almost surely, 2^157304474 is an apocalyptic number.

157304474 is a deficient number, since it is larger than the sum of its proper divisors (81303706).

157304474 is an equidigital number, since it uses as much as digits as its factorization.

157304474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883824.

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 157304474 is about 12542.1080365304. The cubic root of 157304474 is about 539.8175812734.

The spelling of 157304474 in words is "one hundred fifty-seven million, three hundred four thousand, four hundred seventy-four".