157422768 has 20 divisors (see below), whose sum is σ = 406675608. Its totient is φ = 52474240.

The previous prime is 157422763. The next prime is 157422781. The reversal of 157422768 is 867224751.

It is not an unprimeable number, because it can be changed into a prime (157422763) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1639773 + ... + 1639868.

Almost surely, 2^157422768 is an apocalyptic number.

It is an amenable number.

157422768 is an abundant number, since it is smaller than the sum of its proper divisors (249252840).

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

157422768 is a wasteful number, since it uses less digits than its factorization.

157422768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3279652 (or 3279646 counting only the distinct ones).

The product of its digits is 188160, while the sum is 42.

The square root of 157422768 is about 12546.8230241763. The cubic root of 157422768 is about 539.9528628265.

It can be divided in two parts, 1574 and 22768, that added together give a palindrome (24342).

The spelling of 157422768 in words is "one hundred fifty-seven million, four hundred twenty-two thousand, seven hundred sixty-eight".