45023215571 has 2 divisors, whose sum is σ = 45023215572. Its totient is φ = 45023215570.

The previous prime is 45023215529. The next prime is 45023215577. The reversal of 45023215571 is 17551232054.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 45023215571 - 2¹⁸ = 45022953427 is a prime.

It is not a weakly prime, because it can be changed into another prime (45023215577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22511607785 + 22511607786.

It is an arithmetic number, because the mean of its divisors is an integer number (22511607786).

Almost surely, 2^45023215571 is an apocalyptic number.

45023215571 is a deficient number, since it is larger than the sum of its proper divisors (1).

45023215571 is an equidigital number, since it uses as much as digits as its factorization.

45023215571 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42000, while the sum is 35.

The spelling of 45023215571 in words is "forty-five billion, twenty-three million, two hundred fifteen thousand, five hundred seventy-one".