157425772 has 12 divisors (see below), whose sum is σ = 314851600. Its totient is φ = 67468176.

The previous prime is 157425761. The next prime is 157425817. The reversal of 157425772 is 277524751.

157425772 is an admirable number.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

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, 2811147 + ... + 2811202.

Almost surely, 2^157425772 is an apocalyptic number.

It is an amenable number.

157425772 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.

157425772 is a wasteful number, since it uses less digits than its factorization.

157425772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5622360 (or 5622358 counting only the distinct ones).

The product of its digits is 137200, while the sum is 40.

The square root of 157425772 is about 12546.9427351845. The cubic root of 157425772 is about 539.9562973320.

The spelling of 157425772 in words is "one hundred fifty-seven million, four hundred twenty-five thousand, seven hundred seventy-two".