115157952 has 210 divisors, whose sum is σ = 408668728. Its totient is φ = 30371328.

The previous prime is 115157947. The next prime is 115157957. The reversal of 115157952 is 259751511.

It is an interprime number because it is at equal distance from previous prime (115157947) and next prime (115157957).

It is a super-2 number, since 2×115157952² = 26522707817668608, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

Its product of digits (15750) is a multiple of the sum of its prime divisors (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115157957) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 8858298 + ... + 8858310.

Almost surely, 2^115157952 is an apocalyptic number.

115157952 is a gapful number since it is divisible by the number (12) 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 115157952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (204334364).

115157952 is an abundant number, since it is smaller than the sum of its proper divisors (293510776).

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

115157952 is an frugal number, since it uses more digits than its factorization.

115157952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77 (or 25 counting only the distinct ones).

The product of its digits is 15750, while the sum is 36.

The square root of 115157952 is about 10731.1673176780. The cubic root of 115157952 is about 486.5169523423.

The spelling of 115157952 in words is "one hundred fifteen million, one hundred fifty-seven thousand, nine hundred fifty-two".