445343 has 4 divisors (see below), whose sum is σ = 446688. Its totient is φ = 444000.

The previous prime is 445339. The next prime is 445363. The reversal of 445343 is 343544.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 445343 - 2² = 445339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 445343.

It is not an unprimeable number, because it can be changed into a prime (445363) 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, 218 + ... + 968.

It is an arithmetic number, because the mean of its divisors is an integer number (111672).

2⁴⁴⁵³⁴³ is an apocalyptic number.

445343 is a deficient number, since it is larger than the sum of its proper divisors (1345).

445343 is an equidigital number, since it uses as much as digits as its factorization.

445343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344.

The product of its digits is 2880, while the sum is 23.

The square root of 445343 is about 667.3402430545. The cubic root of 445343 is about 76.3656776837.

Adding to 445343 its reverse (343544), we get a palindrome (788887).

The spelling of 445343 in words is "four hundred forty-five thousand, three hundred forty-three".