1442143103 has 2 divisors, whose sum is σ = 1442143104. Its totient is φ = 1442143102.

The previous prime is 1442143081. The next prime is 1442143121. The reversal of 1442143103 is 3013412441.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1442143103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1442143123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721071551 + 721071552.

It is an arithmetic number, because the mean of its divisors is an integer number (721071552).

Almost surely, 2^1442143103 is an apocalyptic number.

1442143103 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442143103 is an equidigital number, since it uses as much as digits as its factorization.

1442143103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 1442143103 is about 37975.5592848874. The cubic root of 1442143103 is about 1129.8031617357.

Adding to 1442143103 its reverse (3013412441), we get a palindrome (4455555544).

The spelling of 1442143103 in words is "one billion, four hundred forty-two million, one hundred forty-three thousand, one hundred three".