115644349 has 4 divisors (see below), whose sum is σ = 117540220. Its totient is φ = 113748480.

The previous prime is 115644301. The next prime is 115644367. The reversal of 115644349 is 943446511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 943446511 = 7 ⋅134778073.

It can be written as a sum of positive squares in 2 ways, for example, as 62252100 + 53392249 = 7890^2 + 7307^2 .

It is a cyclic number.

It is not a de Polignac number, because 115644349 - 2²¹ = 113547197 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 (115644379) 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 3 ways as a sum of consecutive naturals, for example, 947844 + ... + 947965.

It is an arithmetic number, because the mean of its divisors is an integer number (29385055).

Almost surely, 2^115644349 is an apocalyptic number.

It is an amenable number.

115644349 is a deficient number, since it is larger than the sum of its proper divisors (1895871).

115644349 is an equidigital number, since it uses as much as digits as its factorization.

115644349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1895870.

The product of its digits is 51840, while the sum is 37.

The square root of 115644349 is about 10753.8062563913. The cubic root of 115644349 is about 487.2009635709.

The spelling of 115644349 in words is "one hundred fifteen million, six hundred forty-four thousand, three hundred forty-nine".