45043666 has 8 divisors (see below), whose sum is σ = 69213564. Its totient is φ = 21972480.

The previous prime is 45043657. The next prime is 45043673. The reversal of 45043666 is 66634054.

It can be written as a sum of positive squares in 2 ways, for example, as 42575625 + 2468041 = 6525^2 + 1571^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274575 + ... + 274738.

Almost surely, 2^45043666 is an apocalyptic number.

45043666 is a deficient number, since it is larger than the sum of its proper divisors (24169898).

45043666 is a wasteful number, since it uses less digits than its factorization.

45043666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 549356.

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 45043666 is about 6711.4578148119. The cubic root of 45043666 is about 355.8043416291.

The spelling of 45043666 in words is "forty-five million, forty-three thousand, six hundred sixty-six".