115426165 has 4 divisors (see below), whose sum is σ = 138511404. Its totient is φ = 92340928.

The previous prime is 115426163. The next prime is 115426187. The reversal of 115426165 is 561624511.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 55487601 + 59938564 = 7449^2 + 7742^2 .

It is a cyclic number.

It is not a de Polignac number, because 115426165 - 2¹ = 115426163 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115426163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11542612 + ... + 11542621.

It is an arithmetic number, because the mean of its divisors is an integer number (34627851).

Almost surely, 2^115426165 is an apocalyptic number.

It is an amenable number.

115426165 is a deficient number, since it is larger than the sum of its proper divisors (23085239).

115426165 is an equidigital number, since it uses as much as digits as its factorization.

115426165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23085238.

The product of its digits is 7200, while the sum is 31.

The square root of 115426165 is about 10743.6569658566. The cubic root of 115426165 is about 486.8943730711.

The spelling of 115426165 in words is "one hundred fifteen million, four hundred twenty-six thousand, one hundred sixty-five".