445166254323 has 40 divisors (see below), whose sum is σ = 762072852992. Its totient is φ = 253687462704.

The previous prime is 445166254303. The next prime is 445166254333. The reversal of 445166254323 is 323452661544.

445166254323 is a `hidden beast` number, since 4 + 4 + 5 + 16 + 625 + 4 + 3 + 2 + 3 = 666.

It is not a de Polignac number, because 445166254323 - 2¹⁰ = 445166253299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445166254303) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 861565 + ... + 1277742.

Almost surely, 2^445166254323 is an apocalyptic number.

445166254323 is a deficient number, since it is larger than the sum of its proper divisors (316906598669).

445166254323 is a wasteful number, since it uses less digits than its factorization.

445166254323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2139693 (or 2139684 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 45.

The spelling of 445166254323 in words is "four hundred forty-five billion, one hundred sixty-six million, two hundred fifty-four thousand, three hundred twenty-three".