45305666 has 16 divisors (see below), whose sum is σ = 78065856. Its totient is φ = 19316976.

The previous prime is 45305651. The next prime is 45305677. The reversal of 45305666 is 66650354.

45305666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5456 + ... + 10971.

It is an arithmetic number, because the mean of its divisors is an integer number (4879116).

Almost surely, 2^45305666 is an apocalyptic number.

45305666 is a deficient number, since it is larger than the sum of its proper divisors (32760190).

45305666 is a wasteful number, since it uses less digits than its factorization.

45305666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16633.

The product of its (nonzero) digits is 64800, while the sum is 35.

The square root of 45305666 is about 6730.9483730006. The cubic root of 45305666 is about 356.4928629808.

The spelling of 45305666 in words is "forty-five million, three hundred five thousand, six hundred sixty-six".