45185966 has 32 divisors (see below), whose sum is σ = 82399680. Its totient is φ = 18141696.

The previous prime is 45185963. The next prime is 45185989. The reversal of 45185966 is 66958154.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45185963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88520 + ... + 89028.

It is an arithmetic number, because the mean of its divisors is an integer number (2574990).

Almost surely, 2^45185966 is an apocalyptic number.

45185966 is a deficient number, since it is larger than the sum of its proper divisors (37213714).

45185966 is a wasteful number, since it uses less digits than its factorization.

45185966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908.

The product of its digits is 259200, while the sum is 44.

The square root of 45185966 is about 6722.0507287583. The cubic root of 45185966 is about 356.1786283205.

The spelling of 45185966 in words is "forty-five million, one hundred eighty-five thousand, nine hundred sixty-six".