115645271 has 16 divisors (see below), whose sum is σ = 140387904. Its totient is φ = 92995584.

The previous prime is 115645261. The next prime is 115645273. The reversal of 115645271 is 172546511.

It is a cyclic number.

It is not a de Polignac number, because 115645271 - 2²² = 111450967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115645273) 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, 40631 + ... + 43383.

It is an arithmetic number, because the mean of its divisors is an integer number (8774244).

Almost surely, 2^115645271 is an apocalyptic number.

115645271 is a deficient number, since it is larger than the sum of its proper divisors (24742633).

115645271 is a wasteful number, since it uses less digits than its factorization.

115645271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3130.

The product of its digits is 8400, while the sum is 32.

The square root of 115645271 is about 10753.8491248483. The cubic root of 115645271 is about 487.2022583397.

The spelling of 115645271 in words is "one hundred fifteen million, six hundred forty-five thousand, two hundred seventy-one".