1442154943 has 2 divisors, whose sum is σ = 1442154944. Its totient is φ = 1442154942.

The previous prime is 1442154913. The next prime is 1442154971. The reversal of 1442154943 is 3494512441.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1442154943 - 2¹⁷ = 1442023871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1442154913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721077471 + 721077472.

It is an arithmetic number, because the mean of its divisors is an integer number (721077472).

Almost surely, 2^1442154943 is an apocalyptic number.

1442154943 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442154943 is an equidigital number, since it uses as much as digits as its factorization.

1442154943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 37.

The square root of 1442154943 is about 37975.7151743058. The cubic root of 1442154943 is about 1129.8062536233.

The spelling of 1442154943 in words is "one billion, four hundred forty-two million, one hundred fifty-four thousand, nine hundred forty-three".