157212792 has 128 divisors (see below), whose sum is σ = 481075200. Its totient is φ = 47174400.

The previous prime is 157212779. The next prime is 157212793. The reversal of 157212792 is 297212751.

157212792 is a `hidden beast` number, since 1 + 572 + 12 + 79 + 2 = 666.

157212792 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157212793) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 301492 + ... + 302012.

It is an arithmetic number, because the mean of its divisors is an integer number (3758400).

Almost surely, 2^157212792 is an apocalyptic number.

157212792 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 157212792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (240537600).

157212792 is an abundant number, since it is smaller than the sum of its proper divisors (323862408).

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

157212792 is a wasteful number, since it uses less digits than its factorization.

157212792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674 (or 664 counting only the distinct ones).

The product of its digits is 17640, while the sum is 36.

The square root of 157212792 is about 12538.4525360987. The cubic root of 157212792 is about 539.7126866649.

The spelling of 157212792 in words is "one hundred fifty-seven million, two hundred twelve thousand, seven hundred ninety-two".