45043665 has 8 divisors (see below), whose sum is σ = 72069888. Its totient is φ = 24023280.

The previous prime is 45043657. The next prime is 45043673. The reversal of 45043665 is 56634054.

It is an interprime number because it is at equal distance from previous prime (45043657) and next prime (45043673).

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

It is not a de Polignac number, because 45043665 - 2³ = 45043657 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1501441 + ... + 1501470.

It is an arithmetic number, because the mean of its divisors is an integer number (9008736).

Almost surely, 2^45043665 is an apocalyptic number.

It is an amenable number.

45043665 is a deficient number, since it is larger than the sum of its proper divisors (27026223).

45043665 is a wasteful number, since it uses less digits than its factorization.

45043665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3002919.

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 45043665 is about 6711.4577403125. The cubic root of 45043665 is about 355.8043389960.

The spelling of 45043665 in words is "forty-five million, forty-three thousand, six hundred sixty-five".