45521866 has 16 divisors (see below), whose sum is σ = 74227104. Its totient is φ = 20812464.

The previous prime is 45521837. The next prime is 45521873. The reversal of 45521866 is 66812554.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5400 + ... + 10963.

It is an arithmetic number, because the mean of its divisors is an integer number (4639194).

Almost surely, 2^45521866 is an apocalyptic number.

45521866 is a deficient number, since it is larger than the sum of its proper divisors (28705238).

45521866 is a wasteful number, since it uses less digits than its factorization.

45521866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16485.

The product of its digits is 57600, while the sum is 37.

The square root of 45521866 is about 6746.9894026892. The cubic root of 45521866 is about 357.0590282337.

The spelling of 45521866 in words is "forty-five million, five hundred twenty-one thousand, eight hundred sixty-six".