45666565 has 16 divisors (see below), whose sum is σ = 64650240. Its totient is φ = 30303360.

The previous prime is 45666541. The next prime is 45666571. The reversal of 45666565 is 56566654.

It is not a de Polignac number, because 45666565 - 2⁹ = 45666053 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19960 + ... + 22129.

It is an arithmetic number, because the mean of its divisors is an integer number (4040640).

Almost surely, 2^45666565 is an apocalyptic number.

It is an amenable number.

45666565 is a deficient number, since it is larger than the sum of its proper divisors (18983675).

45666565 is a wasteful number, since it uses less digits than its factorization.

45666565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42132.

The product of its digits is 648000, while the sum is 43.

The square root of 45666565 is about 6757.7041219633. The cubic root of 45666565 is about 357.4369523845.

The spelling of 45666565 in words is "forty-five million, six hundred sixty-six thousand, five hundred sixty-five".