115324540 has 24 divisors (see below), whose sum is σ = 244035792. Its totient is φ = 45776640.

The previous prime is 115324529. The next prime is 115324571. The reversal of 115324540 is 45423511.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19389 + ... + 24628.

It is an arithmetic number, because the mean of its divisors is an integer number (10168158).

Almost surely, 2^115324540 is an apocalyptic number.

115324540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115324540 is an abundant number, since it is smaller than the sum of its proper divisors (128711252).

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

115324540 is a wasteful number, since it uses less digits than its factorization.

115324540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44157 (or 44155 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 115324540 is about 10738.9263895419. The cubic root of 115324540 is about 486.7514384970.

The spelling of 115324540 in words is "one hundred fifteen million, three hundred twenty-four thousand, five hundred forty".