115143264 has 72 divisors (see below), whose sum is σ = 329473872. Its totient is φ = 38142720.

The previous prime is 115143257. The next prime is 115143277. The reversal of 115143264 is 462341511.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48669 + ... + 50979.

It is an arithmetic number, because the mean of its divisors is an integer number (4576026).

Almost surely, 2^115143264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115143264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164736936).

115143264 is an abundant number, since it is smaller than the sum of its proper divisors (214330608).

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

115143264 is a wasteful number, since it uses less digits than its factorization.

115143264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2500 (or 2489 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 115143264 is about 10730.4829341461. The cubic root of 115143264 is about 486.4962669425.

Adding to 115143264 its reverse (462341511), we get a palindrome (577484775).

The spelling of 115143264 in words is "one hundred fifteen million, one hundred forty-three thousand, two hundred sixty-four".