1442443 has 4 divisors (see below), whose sum is σ = 1464040. Its totient is φ = 1420848.

The previous prime is 1442437. The next prime is 1442453. The reversal of 1442443 is 3442441.

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

It is a cyclic number.

It is not a de Polignac number, because 1442443 - 2⁵ = 1442411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1442453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10698 + ... + 10831.

It is an arithmetic number, because the mean of its divisors is an integer number (366010).

2^1442443 is an apocalyptic number.

1442443 is a deficient number, since it is larger than the sum of its proper divisors (21597).

1442443 is an equidigital number, since it uses as much as digits as its factorization.

1442443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21596.

The product of its digits is 1536, while the sum is 22.

The square root of 1442443 is about 1201.0174853015. The cubic root of 1442443 is about 112.9881471370.

Adding to 1442443 its reverse (3442441), we get a palindrome (4884884).

The spelling of 1442443 in words is "one million, four hundred forty-two thousand, four hundred forty-three".