157224868 has 12 divisors (see below), whose sum is σ = 275275420. Its totient is φ = 78574752.

The previous prime is 157224833. The next prime is 157224887. The reversal of 157224868 is 868422751.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 95413824 + 61811044 = 9768^2 + 7862^2 .

It is a hoax number, since the sum of its digits (43) 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, 1330 + ... + 17782.

Almost surely, 2^157224868 is an apocalyptic number.

It is an amenable number.

157224868 is a deficient number, since it is larger than the sum of its proper divisors (118050552).

157224868 is a wasteful number, since it uses less digits than its factorization.

157224868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18846 (or 18844 counting only the distinct ones).

The product of its digits is 215040, while the sum is 43.

The square root of 157224868 is about 12538.9340854795. The cubic root of 157224868 is about 539.7265053104.

The spelling of 157224868 in words is "one hundred fifty-seven million, two hundred twenty-four thousand, eight hundred sixty-eight".