115322643 has 16 divisors (see below), whose sum is σ = 171216000. Its totient is φ = 76716360.

The previous prime is 115322633. The next prime is 115322653. The reversal of 115322643 is 346223511.

115322643 is a `hidden beast` number, since 1 + 15 + 3 + 2 + 2 + 643 = 666.

It is an interprime number because it is at equal distance from previous prime (115322633) and next prime (115322653).

It is not a de Polignac number, because 115322643 - 2⁹ = 115322131 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (115322633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8908 + ... + 17606.

It is an arithmetic number, because the mean of its divisors is an integer number (10701000).

Almost surely, 2^115322643 is an apocalyptic number.

115322643 is a deficient number, since it is larger than the sum of its proper divisors (55893357).

115322643 is an equidigital number, since it uses as much as digits as its factorization.

115322643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9199 (or 9193 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 115322643 is about 10738.8380656382. The cubic root of 115322643 is about 486.7487695867.

The spelling of 115322643 in words is "one hundred fifteen million, three hundred twenty-two thousand, six hundred forty-three".