157134474 has 96 divisors (see below), whose sum is σ = 410342400. Its totient is φ = 43394400.

The previous prime is 157134473. The next prime is 157134511. The reversal of 157134474 is 474431751.

157134474 is a `hidden beast` number, since 1 + 57 + 134 + 474 = 666.

It is not an unprimeable number, because it can be changed into a prime (157134473) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 190984 + ... + 191804.

It is an arithmetic number, because the mean of its divisors is an integer number (4274400).

Almost surely, 2^157134474 is an apocalyptic number.

157134474 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 157134474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205171200).

157134474 is an abundant number, since it is smaller than the sum of its proper divisors (253207926).

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

157134474 is a wasteful number, since it uses less digits than its factorization.

157134474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881 (or 864 counting only the distinct ones).

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

The square root of 157134474 is about 12535.3290343732. The cubic root of 157134474 is about 539.6230496859.

The spelling of 157134474 in words is "one hundred fifty-seven million, one hundred thirty-four thousand, four hundred seventy-four".