445644343 has 16 divisors (see below), whose sum is σ = 471421440. Its totient is φ = 420447456.

The previous prime is 445644323. The next prime is 445644349. The reversal of 445644343 is 343446544.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-445644343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445644349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 602668 + ... + 603406.

It is an arithmetic number, because the mean of its divisors is an integer number (29463840).

Almost surely, 2^445644343 is an apocalyptic number.

445644343 is a deficient number, since it is larger than the sum of its proper divisors (25777097).

445644343 is a wasteful number, since it uses less digits than its factorization.

445644343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1086.

The product of its digits is 276480, while the sum is 37.

The square root of 445644343 is about 21110.2899790600. The cubic root of 445644343 is about 763.8289817361.

The spelling of 445644343 in words is "four hundred forty-five million, six hundred forty-four thousand, three hundred forty-three".