115281408 has 80 divisors (see below), whose sum is σ = 335085696. Its totient is φ = 34928640.

The previous prime is 115281407. The next prime is 115281421. The reversal of 115281408 is 804182511.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115281407) 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, 13485 + ... + 20307.

Almost surely, 2^115281408 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 115281408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167542848).

115281408 is an abundant number, since it is smaller than the sum of its proper divisors (219804288).

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

115281408 is an equidigital number, since it uses as much as digits as its factorization.

115281408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6855 (or 6839 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 30.

The square root of 115281408 is about 10736.9179935399. The cubic root of 115281408 is about 486.6907483757.

The spelling of 115281408 in words is "one hundred fifteen million, two hundred eighty-one thousand, four hundred eight".