45166664033 has 4 divisors (see below), whose sum is σ = 45310966788. Its totient is φ = 45022361280.

The previous prime is 45166664027. The next prime is 45166664057. The reversal of 45166664033 is 33046666154.

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

It can be written as a sum of positive squares in 2 ways, for example, as 16788903184 + 28377760849 = 129572^2 + 168457^2 .

It is a cyclic number.

It is not a de Polignac number, because 45166664033 - 2¹⁶ = 45166598497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45166664063) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 72150908 + ... + 72151533.

It is an arithmetic number, because the mean of its divisors is an integer number (11327741697).

Almost surely, 2^45166664033 is an apocalyptic number.

It is an amenable number.

45166664033 is a deficient number, since it is larger than the sum of its proper divisors (144302755).

45166664033 is a wasteful number, since it uses less digits than its factorization.

45166664033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144302754.

The product of its (nonzero) digits is 933120, while the sum is 44.

The spelling of 45166664033 in words is "forty-five billion, one hundred sixty-six million, six hundred sixty-four thousand, thirty-three".