115415244 has 144 divisors (see below), whose sum is σ = 365601600. Its totient is φ = 29933568.

The previous prime is 115415243. The next prime is 115415249. The reversal of 115415244 is 442514511.

115415244 is a `hidden beast` number, since 1 + 1 + 5 + 415 + 244 = 666.

It is not an unprimeable number, because it can be changed into a prime (115415243) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 123772 + ... + 124700.

It is an arithmetic number, because the mean of its divisors is an integer number (2538900).

Almost surely, 2^115415244 is an apocalyptic number.

115415244 is a gapful number since it is divisible by the number (14) 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 115415244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182800800).

115415244 is an abundant number, since it is smaller than the sum of its proper divisors (250186356).

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

115415244 is a wasteful number, since it uses less digits than its factorization.

115415244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992 (or 987 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 115415244 is about 10743.1487004509. The cubic root of 115415244 is about 486.8790168153.

Adding to 115415244 its reverse (442514511), we get a palindrome (557929755).

The spelling of 115415244 in words is "one hundred fifteen million, four hundred fifteen thousand, two hundred forty-four".