115649453 has 4 divisors (see below), whose sum is σ = 122452380. Its totient is φ = 108846528.

The previous prime is 115649449. The next prime is 115649459. The reversal of 115649453 is 354946511.

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 52954729 + 62694724 = 7277^2 + 7918^2 .

It is a cyclic number.

It is not a de Polignac number, because 115649453 - 2² = 115649449 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115649459) 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, 3401438 + ... + 3401471.

It is an arithmetic number, because the mean of its divisors is an integer number (30613095).

Almost surely, 2^115649453 is an apocalyptic number.

It is an amenable number.

115649453 is a deficient number, since it is larger than the sum of its proper divisors (6802927).

115649453 is an equidigital number, since it uses as much as digits as its factorization.

115649453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6802926.

The product of its digits is 64800, while the sum is 38.

The square root of 115649453 is about 10754.0435650968. The cubic root of 115649453 is about 487.2081310551.

The spelling of 115649453 in words is "one hundred fifteen million, six hundred forty-nine thousand, four hundred fifty-three".