45525042131 has 16 divisors (see below), whose sum is σ = 49877779200. Its totient is φ = 41386228128.

The previous prime is 45525042119. The next prime is 45525042137. The reversal of 45525042131 is 13124052554.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45525042131 is a prime.

It is a super-2 number, since 2×45525042131² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45525042137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163631 + ... + 343256.

It is an arithmetic number, because the mean of its divisors is an integer number (3117361200).

Almost surely, 2^45525042131 is an apocalyptic number.

45525042131 is a deficient number, since it is larger than the sum of its proper divisors (4352737069).

45525042131 is a wasteful number, since it uses less digits than its factorization.

45525042131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507098.

The product of its (nonzero) digits is 24000, while the sum is 32.

Adding to 45525042131 its reverse (13124052554), we get a palindrome (58649094685).

The spelling of 45525042131 in words is "forty-five billion, five hundred twenty-five million, forty-two thousand, one hundred thirty-one".