115444869 has 4 divisors (see below), whose sum is σ = 153926496. Its totient is φ = 76963244.

The previous prime is 115444867. The next prime is 115444873. The reversal of 115444869 is 968444511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 115444869 - 2¹ = 115444867 is a prime.

It is a super-2 number, since 2×115444869² = 26655035556854322, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 115444869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115444867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19240809 + ... + 19240814.

It is an arithmetic number, because the mean of its divisors is an integer number (38481624).

Almost surely, 2^115444869 is an apocalyptic number.

It is an amenable number.

115444869 is a deficient number, since it is larger than the sum of its proper divisors (38481627).

115444869 is an equidigital number, since it uses as much as digits as its factorization.

115444869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38481626.

The product of its digits is 138240, while the sum is 42.

The square root of 115444869 is about 10744.5273977034. The cubic root of 115444869 is about 486.9206709228.

The spelling of 115444869 in words is "one hundred fifteen million, four hundred forty-four thousand, eight hundred sixty-nine".