157316454 has 12 divisors (see below), whose sum is σ = 340852356. Its totient is φ = 52438812.

The previous prime is 157316449. The next prime is 157316461. The reversal of 157316454 is 454613751.

157316454 is a `hidden beast` number, since 1 + 5 + 7 + 3 + 1 + 645 + 4 = 666.

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 in 5 ways as a sum of consecutive naturals, for example, 4369884 + ... + 4369919.

It is an arithmetic number, because the mean of its divisors is an integer number (28404363).

Almost surely, 2^157316454 is an apocalyptic number.

157316454 is an abundant number, since it is smaller than the sum of its proper divisors (183535902).

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

157316454 is a wasteful number, since it uses less digits than its factorization.

157316454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8739811 (or 8739808 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 157316454 is about 12542.5856186035. The cubic root of 157316454 is about 539.8312847414.

The spelling of 157316454 in words is "one hundred fifty-seven million, three hundred sixteen thousand, four hundred fifty-four".