1442003243 has 2 divisors, whose sum is σ = 1442003244. Its totient is φ = 1442003242.

The previous prime is 1442003219. The next prime is 1442003351. The reversal of 1442003243 is 3423002441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1442003243 - 2⁶ = 1442003179 is a prime.

It is not a weakly prime, because it can be changed into another prime (1442003443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721001621 + 721001622.

It is an arithmetic number, because the mean of its divisors is an integer number (721001622).

Almost surely, 2^1442003243 is an apocalyptic number.

1442003243 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442003243 is an equidigital number, since it uses as much as digits as its factorization.

1442003243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 1442003243 is about 37973.7177927050. The cubic root of 1442003243 is about 1129.7666375336.

Adding to 1442003243 its reverse (3423002441), we get a palindrome (4865005684).

The spelling of 1442003243 in words is "one billion, four hundred forty-two million, three thousand, two hundred forty-three".