115444133 has 16 divisors (see below), whose sum is σ = 139376640. Its totient is φ = 93409200.

The previous prime is 115444097. The next prime is 115444139. The reversal of 115444133 is 331444511.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 115444133 - 2¹⁰ = 115443109 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 (115444139) 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 15 ways as a sum of consecutive naturals, for example, 39968 + ... + 42758.

It is an arithmetic number, because the mean of its divisors is an integer number (8711040).

Almost surely, 2^115444133 is an apocalyptic number.

It is an amenable number.

115444133 is a deficient number, since it is larger than the sum of its proper divisors (23932507).

115444133 is a wasteful number, since it uses less digits than its factorization.

115444133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3128.

The product of its digits is 2880, while the sum is 26.

The square root of 115444133 is about 10744.4931476548. The cubic root of 115444133 is about 486.9196361594.

Adding to 115444133 its reverse (331444511), we get a palindrome (446888644).

The spelling of 115444133 in words is "one hundred fifteen million, four hundred forty-four thousand, one hundred thirty-three".