115140452144 has 40 divisors (see below), whose sum is σ = 231255319248. Its totient is φ = 55490745600.

The previous prime is 115140452117. The next prime is 115140452149. The reversal of 115140452144 is 441254041511.

It is a self number, because there is not a number n which added to its sum of digits gives 115140452144.

It is not an unprimeable number, because it can be changed into a prime (115140452149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 845507 + ... + 972194.

Almost surely, 2^115140452144 is an apocalyptic number.

It is an amenable number.

115140452144 is an abundant number, since it is smaller than the sum of its proper divisors (116114867104).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115140452144 is a wasteful number, since it uses less digits than its factorization.

115140452144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1817853 (or 1817847 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 32.

Adding to 115140452144 its reverse (441254041511), we get a palindrome (556394493655).

The spelling of 115140452144 in words is "one hundred fifteen billion, one hundred forty million, four hundred fifty-two thousand, one hundred forty-four".