45423566 has 16 divisors (see below), whose sum is σ = 73392000. Its totient is φ = 21015288.

The previous prime is 45423563. The next prime is 45423601. The reversal of 45423566 is 66532454.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45423563) 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, 12266 + ... + 15533.

It is an arithmetic number, because the mean of its divisors is an integer number (4587000).

Almost surely, 2^45423566 is an apocalyptic number.

45423566 is a deficient number, since it is larger than the sum of its proper divisors (27968434).

45423566 is a wasteful number, since it uses less digits than its factorization.

45423566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27863.

The product of its digits is 86400, while the sum is 35.

The square root of 45423566 is about 6739.7007351959. The cubic root of 45423566 is about 356.8018317102.

The spelling of 45423566 in words is "forty-five million, four hundred twenty-three thousand, five hundred sixty-six".