1442243003 has 2 divisors, whose sum is σ = 1442243004. Its totient is φ = 1442243002.

The previous prime is 1442242973. The next prime is 1442243021. The reversal of 1442243003 is 3003422441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1442243003 - 2¹² = 1442238907 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1442243003.

It is not a weakly prime, because it can be changed into another prime (1442243903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721121501 + 721121502.

It is an arithmetic number, because the mean of its divisors is an integer number (721121502).

Almost surely, 2^1442243003 is an apocalyptic number.

1442243003 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442243003 is an equidigital number, since it uses as much as digits as its factorization.

1442243003 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 1442243003 is about 37976.8745817767. The cubic root of 1442243003 is about 1129.8292490058.

Adding to 1442243003 its reverse (3003422441), we get a palindrome (4445665444).

The spelling of 1442243003 in words is "one billion, four hundred forty-two million, two hundred forty-three thousand, three".