157385768 has 8 divisors (see below), whose sum is σ = 295098330. Its totient is φ = 78692880.

The previous prime is 157385743. The next prime is 157385777. The reversal of 157385768 is 867583751.

It can be written as a sum of positive squares in only one way, i.e., 156300004 + 1085764 = 12502^2 + 1042^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9836603 + ... + 9836618.

Almost surely, 2^157385768 is an apocalyptic number.

It is an amenable number.

157385768 is a deficient number, since it is larger than the sum of its proper divisors (137712562).

157385768 is a wasteful number, since it uses less digits than its factorization.

157385768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19673227 (or 19673223 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 50.

The square root of 157385768 is about 12545.3484606845. The cubic root of 157385768 is about 539.9105567450.

The spelling of 157385768 in words is "one hundred fifty-seven million, three hundred eighty-five thousand, seven hundred sixty-eight".