115164543 has 32 divisors (see below), whose sum is σ = 168960960. Its totient is φ = 69763200.

The previous prime is 115164509. The next prime is 115164547. The reversal of 115164543 is 345461511.

It is a happy number.

It is not a de Polignac number, because 115164543 - 2⁶ = 115164479 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115164543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115164547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 665605 + ... + 665777.

It is an arithmetic number, because the mean of its divisors is an integer number (5280030).

Almost surely, 2^115164543 is an apocalyptic number.

115164543 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

115164543 is a deficient number, since it is larger than the sum of its proper divisors (53796417).

115164543 is a wasteful number, since it uses less digits than its factorization.

115164543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316 (or 290 counting only the distinct ones).

The product of its digits is 7200, while the sum is 30.

The square root of 115164543 is about 10731.4744094183. The cubic root of 115164543 is about 486.5262340057.

The spelling of 115164543 in words is "one hundred fifteen million, one hundred sixty-four thousand, five hundred forty-three".