157420748 has 24 divisors (see below), whose sum is σ = 296481024. Its totient is φ = 72864000.

The previous prime is 157420723. The next prime is 157420751. The reversal of 157420748 is 847024751.

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 7 ways as a sum of consecutive naturals, for example, 14828 + ... + 23123.

It is an arithmetic number, because the mean of its divisors is an integer number (12353376).

Almost surely, 2^157420748 is an apocalyptic number.

It is an amenable number.

157420748 is a deficient number, since it is larger than the sum of its proper divisors (139060276).

157420748 is a wasteful number, since it uses less digits than its factorization.

157420748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38033 (or 38031 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 38.

The square root of 157420748 is about 12546.7425254526. The cubic root of 157420748 is about 539.9505533142.

It can be divided in two parts, 1574 and 20748, that added together give a palindrome (22322).

The spelling of 157420748 in words is "one hundred fifty-seven million, four hundred twenty thousand, seven hundred forty-eight".