1144443 has 4 divisors (see below), whose sum is σ = 1525928. Its totient is φ = 762960.

The previous prime is 1144441. The next prime is 1144453. The reversal of 1144443 is 3444411.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1144443 - 2¹ = 1144441 is a prime.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144441) 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, 190738 + ... + 190743.

It is an arithmetic number, because the mean of its divisors is an integer number (381482).

2^1144443 is an apocalyptic number.

1144443 is a deficient number, since it is larger than the sum of its proper divisors (381485).

1144443 is an equidigital number, since it uses as much as digits as its factorization.

1144443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381484.

The product of its digits is 768, while the sum is 21.

The square root of 1144443 is about 1069.7864272835. The cubic root of 1144443 is about 104.5999288314.

Adding to 1144443 its reverse (3444411), we get a palindrome (4588854).

Subtracting 1144443 from its reverse (3444411), we obtain a cube (2299968 = 132³).

The spelling of 1144443 in words is "one million, one hundred forty-four thousand, four hundred forty-three".