1442843377 has 2 divisors, whose sum is σ = 1442843378. Its totient is φ = 1442843376.

The previous prime is 1442843357. The next prime is 1442843393. The reversal of 1442843377 is 7733482441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1224720016 + 218123361 = 34996^2 + 14769^2 .

It is a cyclic number.

It is not a de Polignac number, because 1442843377 - 2¹¹ = 1442841329 is a prime.

It is not a weakly prime, because it can be changed into another prime (1442843357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721421688 + 721421689.

It is an arithmetic number, because the mean of its divisors is an integer number (721421689).

Almost surely, 2^1442843377 is an apocalyptic number.

It is an amenable number.

1442843377 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442843377 is an equidigital number, since it uses as much as digits as its factorization.

1442843377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 451584, while the sum is 43.

The square root of 1442843377 is about 37984.7782276006. The cubic root of 1442843377 is about 1129.9860016017.

The spelling of 1442843377 in words is "one billion, four hundred forty-two million, eight hundred forty-three thousand, three hundred seventy-seven".