115545420142044 has 48 divisors (see below), whose sum is σ = 270253799222400. Its totient is φ = 38422597466176.

The previous prime is 115545420142013. The next prime is 115545420142049. The reversal of 115545420142044 is 440241024545511.

It is a junction number, because it is equal to n+sod(n) for n = 115545420141987 and 115545420142005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115545420142049) 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 15 ways as a sum of consecutive naturals, for example, 394234747 + ... + 394527725.

It is an arithmetic number, because the mean of its divisors is an integer number (5630287483800).

Almost surely, 2^{115545420142044} is an apocalyptic number.

It is an amenable number.

115545420142044 is an abundant number, since it is smaller than the sum of its proper divisors (154708379080356).

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

115545420142044 is a wasteful number, since it uses less digits than its factorization.

115545420142044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 371842 (or 371840 counting only the distinct ones).

The product of its (nonzero) digits is 512000, while the sum is 42.

Adding to 115545420142044 its reverse (440241024545511), we get a palindrome (555786444687555).

The spelling of 115545420142044 in words is "one hundred fifteen trillion, five hundred forty-five billion, four hundred twenty million, one hundred forty-two thousand, forty-four".