45224663257 has 2 divisors, whose sum is σ = 45224663258. Its totient is φ = 45224663256.

The previous prime is 45224663251. The next prime is 45224663273. The reversal of 45224663257 is 75236642254.

45224663257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44728443081 + 496220176 = 211491^2 + 22276^2 .

It is a cyclic number.

It is not a de Polignac number, because 45224663257 - 2¹⁵ = 45224630489 is a prime.

It is not a weakly prime, because it can be changed into another prime (45224663251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22612331628 + 22612331629.

It is an arithmetic number, because the mean of its divisors is an integer number (22612331629).

Almost surely, 2^45224663257 is an apocalyptic number.

It is an amenable number.

45224663257 is a deficient number, since it is larger than the sum of its proper divisors (1).

45224663257 is an equidigital number, since it uses as much as digits as its factorization.

45224663257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2419200, while the sum is 46.

The spelling of 45224663257 in words is "forty-five billion, two hundred twenty-four million, six hundred sixty-three thousand, two hundred fifty-seven".