115145633444 has 24 divisors (see below), whose sum is σ = 207305601048. Its totient is φ = 55927516160.

The previous prime is 115145633441. The next prime is 115145633453. The reversal of 115145633444 is 444336541511.

It can be written as a sum of positive squares in 4 ways, for example, as 2174356900 + 112971276544 = 46630^2 + 336112^2 .

It is a super-2 number, since 2×115145633444² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (115145633441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1468457 + ... + 1544880.

It is an arithmetic number, because the mean of its divisors is an integer number (8637733377).

Almost surely, 2^115145633444 is an apocalyptic number.

It is an amenable number.

115145633444 is a deficient number, since it is larger than the sum of its proper divisors (92159967604).

115145633444 is a wasteful number, since it uses less digits than its factorization.

115145633444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3013615 (or 3013613 counting only the distinct ones).

The product of its digits is 345600, while the sum is 41.

The spelling of 115145633444 in words is "one hundred fifteen billion, one hundred forty-five million, six hundred thirty-three thousand, four hundred forty-four".