45144646223 has 2 divisors, whose sum is σ = 45144646224. Its totient is φ = 45144646222.

The previous prime is 45144646193. The next prime is 45144646271. The reversal of 45144646223 is 32264644154.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 45144646223 - 2¹⁸ = 45144384079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (45144646523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22572323111 + 22572323112.

It is an arithmetic number, because the mean of its divisors is an integer number (22572323112).

Almost surely, 2^45144646223 is an apocalyptic number.

45144646223 is a deficient number, since it is larger than the sum of its proper divisors (1).

45144646223 is an equidigital number, since it uses as much as digits as its factorization.

45144646223 is an evil number, because the sum of its binary digits is even.

The product of its digits is 552960, while the sum is 41.

The spelling of 45144646223 in words is "forty-five billion, one hundred forty-four million, six hundred forty-six thousand, two hundred twenty-three".