115234240 has 112 divisors (see below), whose sum is σ = 315285120. Its totient is φ = 39674880.

The previous prime is 115234199. The next prime is 115234241. The reversal of 115234240 is 42432511.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115234241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66019 + ... + 67741.

Almost surely, 2^115234240 is an apocalyptic number.

115234240 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 115234240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (157642560).

115234240 is an abundant number, since it is smaller than the sum of its proper divisors (200050880).

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

115234240 is a wasteful number, since it uses less digits than its factorization.

115234240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1770 (or 1760 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 115234240 is about 10734.7212353186. The cubic root of 115234240 is about 486.6243619531.

Adding to 115234240 its reverse (42432511), we get a palindrome (157666751).

The spelling of 115234240 in words is "one hundred fifteen million, two hundred thirty-four thousand, two hundred forty".