115505444 has 12 divisors (see below), whose sum is σ = 205948764. Its totient is φ = 56662944.

The previous prime is 115505443. The next prime is 115505477. The reversal of 115505444 is 444505511.

It can be written as a sum of positive squares in 2 ways, for example, as 56400100 + 59105344 = 7510^2 + 7688^2 .

It is not an unprimeable number, because it can be changed into a prime (115505443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 272207 + ... + 272630.

It is an arithmetic number, because the mean of its divisors is an integer number (17162397).

Almost surely, 2^115505444 is an apocalyptic number.

It is an amenable number.

115505444 is a deficient number, since it is larger than the sum of its proper divisors (90443320).

115505444 is a wasteful number, since it uses less digits than its factorization.

115505444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544894 (or 544892 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 115505444 is about 10747.3459049200. The cubic root of 115505444 is about 487.0058199716.

The spelling of 115505444 in words is "one hundred fifteen million, five hundred five thousand, four hundred forty-four".