445323 has 8 divisors (see below), whose sum is σ = 601600. Its totient is φ = 292968.

The previous prime is 445321. The next prime is 445339. The reversal of 445323 is 323544.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 445323 - 2¹ = 445321 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 445323.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 445323.

It is not an unprimeable number, because it can be changed into a prime (445321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 703 + ... + 1176.

It is an arithmetic number, because the mean of its divisors is an integer number (75200).

2⁴⁴⁵³²³ is an apocalyptic number.

445323 is a deficient number, since it is larger than the sum of its proper divisors (156277).

445323 is a wasteful number, since it uses less digits than its factorization.

445323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1961.

The product of its digits is 1440, while the sum is 21.

The square root of 445323 is about 667.3252580264. The cubic root of 445323 is about 76.3645344926.

Adding to 445323 its reverse (323544), we get a palindrome (768867).

The spelling of 445323 in words is "four hundred forty-five thousand, three hundred twenty-three".