45656566 has 8 divisors (see below), whose sum is σ = 68563080. Its totient is φ = 22802208.

The previous prime is 45656561. The next prime is 45656573. The reversal of 45656566 is 66565654.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45656561) 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, 10771 + ... + 14398.

It is an arithmetic number, because the mean of its divisors is an integer number (8570385).

Almost surely, 2^45656566 is an apocalyptic number.

45656566 is a deficient number, since it is larger than the sum of its proper divisors (22906514).

45656566 is a wasteful number, since it uses less digits than its factorization.

45656566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26078.

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

The square root of 45656566 is about 6756.9642591921. The cubic root of 45656566 is about 357.4108627427.

The spelling of 45656566 in words is "forty-five million, six hundred fifty-six thousand, five hundred sixty-six".