115285272 has 32 divisors (see below), whose sum is σ = 288617280. Its totient is φ = 38374560.

The previous prime is 115285231. The next prime is 115285273. The reversal of 115285272 is 272582511.

It is a super-2 number, since 2×115285272² = 26581387880227968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115285273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16503 + ... + 22425.

It is an arithmetic number, because the mean of its divisors is an integer number (9019290).

Almost surely, 2^115285272 is an apocalyptic number.

115285272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

115285272 is an abundant number, since it is smaller than the sum of its proper divisors (173332008).

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

115285272 is a wasteful number, since it uses less digits than its factorization.

115285272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6743 (or 6739 counting only the distinct ones).

The product of its digits is 11200, while the sum is 33.

The square root of 115285272 is about 10737.0979319367. The cubic root of 115285272 is about 486.6961859453.

The spelling of 115285272 in words is "one hundred fifteen million, two hundred eighty-five thousand, two hundred seventy-two".