1442440303 has 2 divisors, whose sum is σ = 1442440304. Its totient is φ = 1442440302.

The previous prime is 1442440297. The next prime is 1442440313. The reversal of 1442440303 is 3030442441.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1442440303 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1442440313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721220151 + 721220152.

It is an arithmetic number, because the mean of its divisors is an integer number (721220152).

Almost surely, 2^1442440303 is an apocalyptic number.

1442440303 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442440303 is an equidigital number, since it uses as much as digits as its factorization.

1442440303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 1442440303 is about 37979.4721264001. The cubic root of 1442440303 is about 1129.8807671725.

Adding to 1442440303 its reverse (3030442441), we get a palindrome (4472882744).

The spelling of 1442440303 in words is "one billion, four hundred forty-two million, four hundred forty thousand, three hundred three".