115157660 has 48 divisors (see below), whose sum is σ = 256937184. Its totient is φ = 43204608.

The previous prime is 115157641. The next prime is 115157663. The reversal of 115157660 is 66751511.

It is a super-2 number, since 2×115157660² = 26522573313351200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115157663) 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, 195887 + ... + 196473.

It is an arithmetic number, because the mean of its divisors is an integer number (5352858).

Almost surely, 2^115157660 is an apocalyptic number.

115157660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115157660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128468592).

115157660 is an abundant number, since it is smaller than the sum of its proper divisors (141779524).

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

115157660 is a wasteful number, since it uses less digits than its factorization.

115157660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1190 (or 1188 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 32.

The square root of 115157660 is about 10731.1537124393. The cubic root of 115157660 is about 486.5165411301.

The spelling of 115157660 in words is "one hundred fifteen million, one hundred fifty-seven thousand, six hundred sixty".