45609166 has 4 divisors (see below), whose sum is σ = 68413752. Its totient is φ = 22804582.

The previous prime is 45609143. The next prime is 45609167. The reversal of 45609166 is 66190654.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (45609167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11402290 + ... + 11402293.

It is an arithmetic number, because the mean of its divisors is an integer number (17103438).

Almost surely, 2^45609166 is an apocalyptic number.

45609166 is a deficient number, since it is larger than the sum of its proper divisors (22804586).

45609166 is a wasteful number, since it uses less digits than its factorization.

45609166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22804585.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 45609166 is about 6753.4558560784. The cubic root of 45609166 is about 357.2871336168.

The spelling of 45609166 in words is "forty-five million, six hundred nine thousand, one hundred sixty-six".