45043663 has 8 divisors (see below), whose sum is σ = 51525632. Its totient is φ = 38573496.

The previous prime is 45043657. The next prime is 45043673. The reversal of 45043663 is 36634054.

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 45043663 - 2⁹ = 45043151 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 (45043643) 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, 7906 + ... + 12352.

It is an arithmetic number, because the mean of its divisors is an integer number (6440704).

Almost surely, 2^45043663 is an apocalyptic number.

45043663 is a deficient number, since it is larger than the sum of its proper divisors (6481969).

45043663 is a wasteful number, since it uses less digits than its factorization.

45043663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5901.

The product of its (nonzero) digits is 25920, while the sum is 31.

The square root of 45043663 is about 6711.4575913135. The cubic root of 45043663 is about 355.8043337300.

The spelling of 45043663 in words is "forty-five million, forty-three thousand, six hundred sixty-three".