157976454 has 16 divisors (see below), whose sum is σ = 316246320. Its totient is φ = 52609920.

The previous prime is 157976449. The next prime is 157976459. The reversal of 157976454 is 454679751.

It is an interprime number because it is at equal distance from previous prime (157976449) and next prime (157976459).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157976459) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4887 + ... + 18434.

It is an arithmetic number, because the mean of its divisors is an integer number (19765395).

Almost surely, 2^157976454 is an apocalyptic number.

157976454 is an abundant number, since it is smaller than the sum of its proper divisors (158269866).

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

157976454 is a wasteful number, since it uses less digits than its factorization.

157976454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24455.

The product of its digits is 1058400, while the sum is 48.

The square root of 157976454 is about 12568.8684454886. The cubic root of 157976454 is about 540.5851612819.

The spelling of 157976454 in words is "one hundred fifty-seven million, nine hundred seventy-six thousand, four hundred fifty-four".