115282240 has 28 divisors (see below), whose sum is σ = 274516596. Its totient is φ = 46112768.

The previous prime is 115282229. The next prime is 115282243. The reversal of 115282240 is 42282511.

It can be written as a sum of positive squares in 2 ways, for example, as 80425024 + 34857216 = 8968^2 + 5904^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115282243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 179809 + ... + 180448.

Almost surely, 2^115282240 is an apocalyptic number.

115282240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115282240 is an abundant number, since it is smaller than the sum of its proper divisors (159234356).

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

115282240 is an equidigital number, since it uses as much as digits as its factorization.

115282240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360274 (or 360264 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 115282240 is about 10736.9567382941. The cubic root of 115282240 is about 486.6919192084.

The spelling of 115282240 in words is "one hundred fifteen million, two hundred eighty-two thousand, two hundred forty".