443245 has 8 divisors (see below), whose sum is σ = 580320. Its totient is φ = 322320.

The previous prime is 443243. The next prime is 443249. The reversal of 443245 is 542344.

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 443245 - 2¹ = 443243 is a prime.

It is a super-2 number, since 2×443245² = 392932260050, which contains 22 as substring.

It is a plaindrome in base 13.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (443243) 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, 3975 + ... + 4084.

It is an arithmetic number, because the mean of its divisors is an integer number (72540).

2⁴⁴³²⁴⁵ is an apocalyptic number.

It is an amenable number.

443245 is a deficient number, since it is larger than the sum of its proper divisors (137075).

443245 is a wasteful number, since it uses less digits than its factorization.

443245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8075.

The product of its digits is 1920, while the sum is 22.

The square root of 443245 is about 665.7664755753. The cubic root of 443245 is about 76.2455699298.

Adding to 443245 its reverse (542344), we get a palindrome (985589).

Subtracting 443245 from its reverse (542344), we obtain a palindrome (99099).

The spelling of 443245 in words is "four hundred forty-three thousand, two hundred forty-five".