1442142043 has 2 divisors, whose sum is σ = 1442142044. Its totient is φ = 1442142042.

The previous prime is 1442142019. The next prime is 1442142101. The reversal of 1442142043 is 3402412441.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1442142043 - 2⁹ = 1442141531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1442141999 and 1442142017.

It is not a weakly prime, because it can be changed into another prime (1442152043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721071021 + 721071022.

It is an arithmetic number, because the mean of its divisors is an integer number (721071022).

Almost surely, 2^1442142043 is an apocalyptic number.

1442142043 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442142043 is an equidigital number, since it uses as much as digits as its factorization.

1442142043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 1442142043 is about 37975.5453285400. The cubic root of 1442142043 is about 1129.8028849274.

Adding to 1442142043 its reverse (3402412441), we get a palindrome (4844554484).

The spelling of 1442142043 in words is "one billion, four hundred forty-two million, one hundred forty-two thousand, forty-three".