45345245131 has 16 divisors (see below), whose sum is σ = 49816972800. Its totient is φ = 41082769728.

The previous prime is 45345245129. The next prime is 45345245161. The reversal of 45345245131 is 13154254354.

It is a cyclic number.

It is not a de Polignac number, because 45345245131 - 2¹ = 45345245129 is a prime.

It is a super-2 number, since 2×45345245131² (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 (45345245161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3982815 + ... + 3994183.

It is an arithmetic number, because the mean of its divisors is an integer number (3113560800).

Almost surely, 2^45345245131 is an apocalyptic number.

45345245131 is a deficient number, since it is larger than the sum of its proper divisors (4471727669).

45345245131 is a wasteful number, since it uses less digits than its factorization.

45345245131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20538.

The product of its digits is 144000, while the sum is 37.

Adding to 45345245131 its reverse (13154254354), we get a palindrome (58499499485).

The spelling of 45345245131 in words is "forty-five billion, three hundred forty-five million, two hundred forty-five thousand, one hundred thirty-one".