45044661 has 4 divisors (see below), whose sum is σ = 60059552. Its totient is φ = 30029772.

The previous prime is 45044639. The next prime is 45044663. The reversal of 45044661 is 16644054.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 45044661 - 2¹⁹ = 44520373 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45044663) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7507441 + ... + 7507446.

It is an arithmetic number, because the mean of its divisors is an integer number (15014888).

Almost surely, 2^45044661 is an apocalyptic number.

It is an amenable number.

45044661 is a deficient number, since it is larger than the sum of its proper divisors (15014891).

45044661 is a wasteful number, since it uses less digits than its factorization.

45044661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15014890.

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 45044661 is about 6711.5319413678. The cubic root of 45044661 is about 355.8069614773.

The spelling of 45044661 in words is "forty-five million, forty-four thousand, six hundred sixty-one".