1442245411 has 2 divisors, whose sum is σ = 1442245412. Its totient is φ = 1442245410.

The previous prime is 1442245379. The next prime is 1442245531. The reversal of 1442245411 is 1145422441.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1442245411 - 2⁵ = 1442245379 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1442245411.

It is not a weakly prime, because it can be changed into another prime (1442245811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 721122705 + 721122706.

It is an arithmetic number, because the mean of its divisors is an integer number (721122706).

Almost surely, 2^1442245411 is an apocalyptic number.

1442245411 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442245411 is an equidigital number, since it uses as much as digits as its factorization.

1442245411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5120, while the sum is 28.

The square root of 1442245411 is about 37976.9062852676. The cubic root of 1442245411 is about 1129.8298778012.

Adding to 1442245411 its reverse (1145422441), we get a palindrome (2587667852).

The spelling of 1442245411 in words is "one billion, four hundred forty-two million, two hundred forty-five thousand, four hundred eleven".