115434312 has 32 divisors (see below), whose sum is σ = 329812800. Its totient is φ = 32981184.

The previous prime is 115434307. The next prime is 115434313. The reversal of 115434312 is 213434511.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (115434313) 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, 343387 + ... + 343722.

It is an arithmetic number, because the mean of its divisors is an integer number (10306650).

Almost surely, 2^115434312 is an apocalyptic number.

115434312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

115434312 is an abundant number, since it is smaller than the sum of its proper divisors (214378488).

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

115434312 is a wasteful number, since it uses less digits than its factorization.

115434312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687125 (or 687121 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 115434312 is about 10744.0361131188. The cubic root of 115434312 is about 486.9058281144.

Adding to 115434312 its reverse (213434511), we get a palindrome (328868823).

The spelling of 115434312 in words is "one hundred fifteen million, four hundred thirty-four thousand, three hundred twelve".