45112666 has 4 divisors (see below), whose sum is σ = 67669002. Its totient is φ = 22556332.

The previous prime is 45112649. The next prime is 45112681. The reversal of 45112666 is 66621154.

45112666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66621154 = 2 ⋅33310577.

It can be written as a sum of positive squares in only one way, i.e., 30019441 + 15093225 = 5479^2 + 3885^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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 as a sum of consecutive naturals, namely, 11278165 + ... + 11278168.

Almost surely, 2^45112666 is an apocalyptic number.

45112666 is a deficient number, since it is larger than the sum of its proper divisors (22556336).

45112666 is a wasteful number, since it uses less digits than its factorization.

45112666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22556335.

The product of its digits is 8640, while the sum is 31.

The square root of 45112666 is about 6716.5963106323. The cubic root of 45112666 is about 355.9859281986.

The spelling of 45112666 in words is "forty-five million, one hundred twelve thousand, six hundred sixty-six".