115644180 has 48 divisors (see below), whose sum is σ = 326297664. Its totient is φ = 30600960.

The previous prime is 115644173. The next prime is 115644181. The reversal of 115644180 is 81446511.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115644181) 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 15 ways as a sum of consecutive naturals, for example, 504 + ... + 15216.

It is an arithmetic number, because the mean of its divisors is an integer number (6797868).

Almost surely, 2^115644180 is an apocalyptic number.

115644180 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 115644180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163148832).

115644180 is an abundant number, since it is smaller than the sum of its proper divisors (210653484).

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

115644180 is a wasteful number, since it uses less digits than its factorization.

115644180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14856 (or 14854 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 115644180 is about 10753.7983987055. The cubic root of 115644180 is about 487.2007262426.

The spelling of 115644180 in words is "one hundred fifteen million, six hundred forty-four thousand, one hundred eighty".