45444663 has 12 divisors (see below), whose sum is σ = 71609928. Its totient is φ = 27542160.

The previous prime is 45444661. The next prime is 45444683. The reversal of 45444663 is 36644454.

It is not a de Polignac number, because 45444663 - 2¹ = 45444661 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45444661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 229420 + ... + 229617.

It is an arithmetic number, because the mean of its divisors is an integer number (5967494).

Almost surely, 2^45444663 is an apocalyptic number.

45444663 is a deficient number, since it is larger than the sum of its proper divisors (26165265).

45444663 is a wasteful number, since it uses less digits than its factorization.

45444663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459054 (or 459051 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

The square root of 45444663 is about 6741.2656823478. The cubic root of 45444663 is about 356.8570620956.

The spelling of 45444663 in words is "forty-five million, four hundred forty-four thousand, six hundred sixty-three".