45042252633 has 20 divisors (see below), whose sum is σ = 76897532800. Its totient is φ = 25738429752.

The previous prime is 45042252631. The next prime is 45042252659. The reversal of 45042252633 is 33625224054.

It is not a de Polignac number, because 45042252633 - 2¹ = 45042252631 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45042252631) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 39719233 + ... + 39720366.

It is an arithmetic number, because the mean of its divisors is an integer number (3844876640).

Almost surely, 2^45042252633 is an apocalyptic number.

It is an amenable number.

45042252633 is a deficient number, since it is larger than the sum of its proper divisors (31855280167).

45042252633 is an equidigital number, since it uses as much as digits as its factorization.

45042252633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79439618 (or 79439609 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 36.

Adding to 45042252633 its reverse (33625224054), we get a palindrome (78667476687).

The spelling of 45042252633 in words is "forty-five billion, forty-two million, two hundred fifty-two thousand, six hundred thirty-three".