45445663 has 8 divisors (see below), whose sum is σ = 48856320. Its totient is φ = 42136920.

The previous prime is 45445649. The next prime is 45445679. The reversal of 45445663 is 36654454.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 45445663 - 2²¹ = 43348511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45445643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24553 + ... + 26338.

It is an arithmetic number, because the mean of its divisors is an integer number (6107040).

Almost surely, 2^45445663 is an apocalyptic number.

45445663 is a deficient number, since it is larger than the sum of its proper divisors (3410657).

45445663 is a wasteful number, since it uses less digits than its factorization.

45445663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50957.

The product of its digits is 172800, while the sum is 37.

The square root of 45445663 is about 6741.3398519879. The cubic root of 45445663 is about 356.8596795973.

The spelling of 45445663 in words is "forty-five million, four hundred forty-five thousand, six hundred sixty-three".