443144 has 16 divisors (see below), whose sum is σ = 895020. Its totient is φ = 204480.

The previous prime is 443129. The next prime is 443147. The reversal of 443144 is 441344.

443144 = 87² + 88² + ... + 125².

It can be written as a sum of positive squares in 2 ways, for example, as 438244 + 4900 = 662^2 + 70^2 .

It is not an unprimeable number, because it can be changed into a prime (443147) by changing a digit.

443144 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2027 + ... + 2234.

2⁴⁴³¹⁴⁴ is an apocalyptic number.

It is an amenable number.

443144 is an abundant number, since it is smaller than the sum of its proper divisors (451876).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

443144 is a wasteful number, since it uses less digits than its factorization.

443144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4280 (or 4276 counting only the distinct ones).

The product of its digits is 768, while the sum is 20.

The square root of 443144 is about 665.6906188313. The cubic root of 443144 is about 76.2397782589.

Adding to 443144 its reverse (441344), we get a palindrome (884488).

The spelling of 443144 in words is "four hundred forty-three thousand, one hundred forty-four", and thus it is an iban number.