115331449 has 2 divisors, whose sum is σ = 115331450. Its totient is φ = 115331448.

The previous prime is 115331413. The next prime is 115331509. The reversal of 115331449 is 944133511.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113806224 + 1525225 = 10668^2 + 1235^2 .

It is an emirp because it is prime and its reverse (944133511) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 115331449 - 2¹⁷ = 115200377 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 115331449.

It is not a weakly prime, because it can be changed into another prime (115334449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57665724 + 57665725.

It is an arithmetic number, because the mean of its divisors is an integer number (57665725).

Almost surely, 2^115331449 is an apocalyptic number.

It is an amenable number.

115331449 is a deficient number, since it is larger than the sum of its proper divisors (1).

115331449 is an equidigital number, since it uses as much as digits as its factorization.

115331449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 31.

The square root of 115331449 is about 10739.2480649252. The cubic root of 115331449 is about 486.7611585980.

The spelling of 115331449 in words is "one hundred fifteen million, three hundred thirty-one thousand, four hundred forty-nine".