157478952 has 32 divisors (see below), whose sum is σ = 402076800. Its totient is φ = 51375744.

The previous prime is 157478891. The next prime is 157478987. The reversal of 157478952 is 259874751.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

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, 68677 + ... + 70932.

It is an arithmetic number, because the mean of its divisors is an integer number (12564900).

Almost surely, 2^157478952 is an apocalyptic number.

157478952 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

157478952 is an abundant number, since it is smaller than the sum of its proper divisors (244597848).

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

157478952 is a wasteful number, since it uses less digits than its factorization.

157478952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139665 (or 139661 counting only the distinct ones).

The product of its digits is 705600, while the sum is 48.

The square root of 157478952 is about 12549.0617976006. The cubic root of 157478952 is about 540.0170913658.

The spelling of 157478952 in words is "one hundred fifty-seven million, four hundred seventy-eight thousand, nine hundred fifty-two".