115445444 has 24 divisors (see below), whose sum is σ = 213128160. Its totient is φ = 54565056.

The previous prime is 115445443. The next prime is 115445461. The reversal of 115445444 is 444544511.

It is a self number, because there is not a number n which added to its sum of digits gives 115445444.

It is not an unprimeable number, because it can be changed into a prime (115445443) 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 7 ways as a sum of consecutive naturals, for example, 40184 + ... + 42960.

It is an arithmetic number, because the mean of its divisors is an integer number (8880340).

Almost surely, 2^115445444 is an apocalyptic number.

It is an amenable number.

115445444 is a deficient number, since it is larger than the sum of its proper divisors (97682716).

115445444 is a wasteful number, since it uses less digits than its factorization.

115445444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3347 (or 3345 counting only the distinct ones).

The product of its digits is 25600, while the sum is 32.

The square root of 115445444 is about 10744.5541554780. The cubic root of 115445444 is about 486.9214793287.

Adding to 115445444 its reverse (444544511), we get a palindrome (559989955).

The spelling of 115445444 in words is "one hundred fifteen million, four hundred forty-five thousand, four hundred forty-four".