45144646253 has 16 divisors (see below), whose sum is σ = 52876285056. Its totient is φ = 37734466560.

The previous prime is 45144646223. The next prime is 45144646271. The reversal of 45144646253 is 35264644154.

It is not a de Polignac number, because 45144646253 - 2¹⁰ = 45144645229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45144646223) 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, 617750 + ... + 686952.

It is an arithmetic number, because the mean of its divisors is an integer number (3304767816).

Almost surely, 2^45144646253 is an apocalyptic number.

It is an amenable number.

45144646253 is a deficient number, since it is larger than the sum of its proper divisors (7731638803).

45144646253 is a wasteful number, since it uses less digits than its factorization.

45144646253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71524.

The product of its digits is 1382400, while the sum is 44.

The spelling of 45144646253 in words is "forty-five billion, one hundred forty-four million, six hundred forty-six thousand, two hundred fifty-three".