157931454 has 8 divisors (see below), whose sum is σ = 315862920. Its totient is φ = 52643816.

The previous prime is 157931441. The next prime is 157931471. The reversal of 157931454 is 454139751.

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

157931454 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13160949 + ... + 13160960.

It is an arithmetic number, because the mean of its divisors is an integer number (39482865).

Almost surely, 2^157931454 is an apocalyptic number.

157931454 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

157931454 is a wasteful number, since it uses less digits than its factorization.

157931454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26321914.

The product of its digits is 75600, while the sum is 39.

The square root of 157931454 is about 12567.0781807069. The cubic root of 157931454 is about 540.5338273820.

It can be divided in two parts, 1579 and 31454, that added together give a palindrome (33033).

The spelling of 157931454 in words is "one hundred fifty-seven million, nine hundred thirty-one thousand, four hundred fifty-four".