45144646271 has 2 divisors, whose sum is σ = 45144646272. Its totient is φ = 45144646270.

The previous prime is 45144646223. The next prime is 45144646279. The reversal of 45144646271 is 17264644154.

45144646271 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45144646271 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45144646279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22572323135 + 22572323136.

It is an arithmetic number, because the mean of its divisors is an integer number (22572323136).

Almost surely, 2^45144646271 is an apocalyptic number.

45144646271 is a deficient number, since it is larger than the sum of its proper divisors (1).

45144646271 is an equidigital number, since it uses as much as digits as its factorization.

45144646271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 645120, while the sum is 44.

The spelling of 45144646271 in words is "forty-five billion, one hundred forty-four million, six hundred forty-six thousand, two hundred seventy-one".