445648023 has 24 divisors (see below), whose sum is σ = 674395488. Its totient is φ = 283041792.

The previous prime is 445648003. The next prime is 445648037. The reversal of 445648023 is 320846544.

445648023 is a `hidden beast` number, since 4 + 4 + 5 + 648 + 0 + 2 + 3 = 666.

It is not a de Polignac number, because 445648023 - 2⁸ = 445647767 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445648003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49011 + ... + 57387.

It is an arithmetic number, because the mean of its divisors is an integer number (28099812).

Almost surely, 2^445648023 is an apocalyptic number.

445648023 is a deficient number, since it is larger than the sum of its proper divisors (228747465).

445648023 is a wasteful number, since it uses less digits than its factorization.

445648023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8663 (or 8660 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The square root of 445648023 is about 21110.3771401650. The cubic root of 445648023 is about 763.8310842221.

The spelling of 445648023 in words is "four hundred forty-five million, six hundred forty-eight thousand, twenty-three".