45166723 has 4 divisors (see below), whose sum is σ = 51619120. Its totient is φ = 38714328.

The previous prime is 45166711. The next prime is 45166729. The reversal of 45166723 is 32766154.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 45166723 - 2²⁵ = 11612291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45166729) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3226188 + ... + 3226201.

It is an arithmetic number, because the mean of its divisors is an integer number (12904780).

Almost surely, 2^45166723 is an apocalyptic number.

45166723 is a deficient number, since it is larger than the sum of its proper divisors (6452397).

45166723 is an equidigital number, since it uses as much as digits as its factorization.

45166723 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6452396.

The product of its digits is 30240, while the sum is 34.

The square root of 45166723 is about 6720.6192423020. The cubic root of 45166723 is about 356.1280601233.

The spelling of 45166723 in words is "forty-five million, one hundred sixty-six thousand, seven hundred twenty-three".