115157764 has 36 divisors (see below), whose sum is σ = 211713124. Its totient is φ = 54767232.

The previous prime is 115157717. The next prime is 115157767. The reversal of 115157764 is 467751511.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 8655364 + 106502400 = 2942^2 + 10320^2 .

It is a super-2 number, since 2×115157764² = 26522621218959392, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (115157767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 415594 + ... + 415870.

Almost surely, 2^115157764 is an apocalyptic number.

It is an amenable number.

115157764 is a deficient number, since it is larger than the sum of its proper divisors (96555360).

115157764 is a wasteful number, since it uses less digits than its factorization.

115157764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424 (or 369 counting only the distinct ones).

The product of its digits is 29400, while the sum is 37.

The square root of 115157764 is about 10731.1585581427. The cubic root of 115157764 is about 486.5166875893.

It can be divided in two parts, 115157 and 764, that added together give a triangular number (115921 = T₄₈₁).

The spelling of 115157764 in words is "one hundred fifteen million, one hundred fifty-seven thousand, seven hundred sixty-four".