45156131022 has 16 divisors (see below), whose sum is σ = 90340496640. Its totient is φ = 15047337912.

The previous prime is 45156130973. The next prime is 45156131029. The reversal of 45156131022 is 22013165154.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45156131029) 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, 1155622 + ... + 1194057.

It is an arithmetic number, because the mean of its divisors is an integer number (5646281040).

Almost surely, 2^45156131022 is an apocalyptic number.

45156131022 is an abundant number, since it is smaller than the sum of its proper divisors (45184365618).

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

45156131022 is a wasteful number, since it uses less digits than its factorization.

45156131022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2352887.

The product of its (nonzero) digits is 7200, while the sum is 30.

Adding to 45156131022 its reverse (22013165154), we get a palindrome (67169296176).

The spelling of 45156131022 in words is "forty-five billion, one hundred fifty-six million, one hundred thirty-one thousand, twenty-two".