115308193 has 24 divisors (see below), whose sum is σ = 155687616. Its totient is φ = 82929600.

The previous prime is 115308173. The next prime is 115308197. The reversal of 115308193 is 391803511.

It is a de Polignac number, because none of the positive numbers 2^k-115308193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (115308197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8583 + ... + 17443.

It is an arithmetic number, because the mean of its divisors is an integer number (6486984).

Almost surely, 2^115308193 is an apocalyptic number.

115308193 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

115308193 is a deficient number, since it is larger than the sum of its proper divisors (40379423).

115308193 is a wasteful number, since it uses less digits than its factorization.

115308193 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8905 (or 8892 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 115308193 is about 10738.1652529657. The cubic root of 115308193 is about 486.7284387614.

The spelling of 115308193 in words is "one hundred fifteen million, three hundred eight thousand, one hundred ninety-three".