5045666445 has 32 divisors (see below), whose sum is σ = 8975139840. Its totient is φ = 2689502400.

The previous prime is 5045666441. The next prime is 5045666447. The reversal of 5045666445 is 5446665405.

It is not a de Polignac number, because 5045666445 - 2² = 5045666441 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 5045666445.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5045666441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 253807 + ... + 272963.

It is an arithmetic number, because the mean of its divisors is an integer number (280473120).

Almost surely, 2^5045666445 is an apocalyptic number.

It is an amenable number.

5045666445 is a deficient number, since it is larger than the sum of its proper divisors (3929473395).

5045666445 is a wasteful number, since it uses less digits than its factorization.

5045666445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21122 (or 21116 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 45.

The square root of 5045666445 is about 71032.8546871094. The cubic root of 5045666445 is about 1715.1660791093.

The spelling of 5045666445 in words is "five billion, forty-five million, six hundred sixty-six thousand, four hundred forty-five".