1442144317 has 2 divisors, whose sum is σ = 1442144318. Its totient is φ = 1442144316.

The previous prime is 1442144311. The next prime is 1442144351. The reversal of 1442144317 is 7134412441.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1371146841 + 70997476 = 37029^2 + 8426^2 .

It is a cyclic number.

It is not a de Polignac number, because 1442144317 - 2¹¹ = 1442142269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1442144311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721072158 + 721072159.

It is an arithmetic number, because the mean of its divisors is an integer number (721072159).

Almost surely, 2^1442144317 is an apocalyptic number.

It is an amenable number.

1442144317 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442144317 is an equidigital number, since it uses as much as digits as its factorization.

1442144317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10752, while the sum is 31.

The square root of 1442144317 is about 37975.5752688488. The cubic root of 1442144317 is about 1129.8034787594.

Adding to 1442144317 its reverse (7134412441), we get a palindrome (8576556758).

The spelling of 1442144317 in words is "one billion, four hundred forty-two million, one hundred forty-four thousand, three hundred seventeen".