115142232 has 32 divisors (see below), whose sum is σ = 300372480. Its totient is φ = 36711840.

The previous prime is 115142231. The next prime is 115142257. The reversal of 115142232 is 232241511.

It is a junction number, because it is equal to n+sod(n) for n = 115142199 and 115142208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115142231) 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, 103744 + ... + 104847.

It is an arithmetic number, because the mean of its divisors is an integer number (9386640).

Almost surely, 2^115142232 is an apocalyptic number.

115142232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

115142232 is an abundant number, since it is smaller than the sum of its proper divisors (185230248).

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

115142232 is a wasteful number, since it uses less digits than its factorization.

115142232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208623 (or 208619 counting only the distinct ones).

The product of its digits is 480, while the sum is 21.

The square root of 115142232 is about 10730.4348467338. The cubic root of 115142232 is about 486.4948134904.

Adding to 115142232 its reverse (232241511), we get a palindrome (347383743).

The spelling of 115142232 in words is "one hundred fifteen million, one hundred forty-two thousand, two hundred thirty-two".