45445410253 has 4 divisors (see below), whose sum is σ = 45567248188. Its totient is φ = 45323572320.

The previous prime is 45445410233. The next prime is 45445410289. The reversal of 45445410253 is 35201454454.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31932975204 + 13512435049 = 178698^2 + 116243^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45445410253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45445410233) 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 3 ways as a sum of consecutive naturals, for example, 60918408 + ... + 60919153.

It is an arithmetic number, because the mean of its divisors is an integer number (11391812047).

Almost surely, 2^45445410253 is an apocalyptic number.

It is an amenable number.

45445410253 is a deficient number, since it is larger than the sum of its proper divisors (121837935).

45445410253 is a wasteful number, since it uses less digits than its factorization.

45445410253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121837934.

The product of its (nonzero) digits is 192000, while the sum is 37.

The spelling of 45445410253 in words is "forty-five billion, four hundred forty-five million, four hundred ten thousand, two hundred fifty-three".