157499552 has 24 divisors (see below), whose sum is σ = 354374496. Its totient is φ = 67499712.

The previous prime is 157499549. The next prime is 157499557. The reversal of 157499552 is 255994751.

It is a super-2 number, since 2×157499552² = 49612217760401408, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 157499497 and 157499506.

It is not an unprimeable number, because it can be changed into a prime (157499557) 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, 351338 + ... + 351785.

It is an arithmetic number, because the mean of its divisors is an integer number (14765604).

Almost surely, 2^157499552 is an apocalyptic number.

It is an amenable number.

157499552 is an abundant number, since it is smaller than the sum of its proper divisors (196874944).

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

157499552 is an equidigital number, since it uses as much as digits as its factorization.

157499552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703140 (or 703132 counting only the distinct ones).

The product of its digits is 567000, while the sum is 47.

The square root of 157499552 is about 12549.8825492512. The cubic root of 157499552 is about 540.0406370881.

The spelling of 157499552 in words is "one hundred fifty-seven million, four hundred ninety-nine thousand, five hundred fifty-two".