157613808 has 80 divisors (see below), whose sum is σ = 446400000. Its totient is φ = 47523840.

The previous prime is 157613803. The next prime is 157613837. The reversal of 157613808 is 808316751.

It is a super-2 number, since 2×157613808² = 49684224944521728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157613801) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125568 + ... + 126816.

It is an arithmetic number, because the mean of its divisors is an integer number (5580000).

Almost surely, 2^157613808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157613808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223200000).

157613808 is an abundant number, since it is smaller than the sum of its proper divisors (288786192).

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

157613808 is a wasteful number, since it uses less digits than its factorization.

157613808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1510 (or 1504 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 157613808 is about 12554.4337984634. The cubic root of 157613808 is about 540.1711940066.

The spelling of 157613808 in words is "one hundred fifty-seven million, six hundred thirteen thousand, eight hundred eight".