1442324243 has 2 divisors, whose sum is σ = 1442324244. Its totient is φ = 1442324242.

The previous prime is 1442324237. The next prime is 1442324263. The reversal of 1442324243 is 3424232441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1442324243 - 2⁶ = 1442324179 is a prime.

It is not a weakly prime, because it can be changed into another prime (1442324263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721162121 + 721162122.

It is an arithmetic number, because the mean of its divisors is an integer number (721162122).

Almost surely, 2^1442324243 is an apocalyptic number.

1442324243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442324243 is an equidigital number, since it uses as much as digits as its factorization.

1442324243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18432, while the sum is 29.

The square root of 1442324243 is about 37977.9441650019. The cubic root of 1442324243 is about 1129.8504626304.

Adding to 1442324243 its reverse (3424232441), we get a palindrome (4866556684).

The spelling of 1442324243 in words is "one billion, four hundred forty-two million, three hundred twenty-four thousand, two hundred forty-three".