157542912 has 120 divisors (see below), whose sum is σ = 459613440. Its totient is φ = 51947520.

The previous prime is 157542863. The next prime is 157542941. The reversal of 157542912 is 219245751.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 824737 + ... + 824927.

It is an arithmetic number, because the mean of its divisors is an integer number (3830112).

Almost surely, 2^157542912 is an apocalyptic number.

157542912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157542912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (229806720).

157542912 is an abundant number, since it is smaller than the sum of its proper divisors (302070528).

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

157542912 is a wasteful number, since it uses less digits than its factorization.

157542912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394 (or 375 counting only the distinct ones).

The product of its digits is 25200, while the sum is 36.

The square root of 157542912 is about 12551.6099365779. The cubic root of 157542912 is about 540.0901906968.

The spelling of 157542912 in words is "one hundred fifty-seven million, five hundred forty-two thousand, nine hundred twelve".