45666578 has 8 divisors (see below), whose sum is σ = 68742768. Its totient is φ = 22752324.

The previous prime is 45666571. The next prime is 45666583. The reversal of 45666578 is 87566654.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (45666571) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 39776 + ... + 40907.

It is an arithmetic number, because the mean of its divisors is an integer number (8592846).

Almost surely, 2^45666578 is an apocalyptic number.

45666578 is a deficient number, since it is larger than the sum of its proper divisors (23076190).

45666578 is a wasteful number, since it uses less digits than its factorization.

45666578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80968.

The product of its digits is 1209600, while the sum is 47.

The square root of 45666578 is about 6757.7050838284. The cubic root of 45666578 is about 357.4369863019.

The spelling of 45666578 in words is "forty-five million, six hundred sixty-six thousand, five hundred seventy-eight".