1442241589 has 2 divisors, whose sum is σ = 1442241590. Its totient is φ = 1442241588.

The previous prime is 1442241583. The next prime is 1442241623. The reversal of 1442241589 is 9851422441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1435652100 + 6589489 = 37890^2 + 2567^2 .

It is a cyclic number.

It is not a de Polignac number, because 1442241589 - 2⁵ = 1442241557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1442241583) 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, 721120794 + 721120795.

It is an arithmetic number, because the mean of its divisors is an integer number (721120795).

Almost surely, 2^1442241589 is an apocalyptic number.

It is an amenable number.

1442241589 is a deficient number, since it is larger than the sum of its proper divisors (1).

1442241589 is an equidigital number, since it uses as much as digits as its factorization.

1442241589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 92160, while the sum is 40.

The square root of 1442241589 is about 37976.8559651796. The cubic root of 1442241589 is about 1129.8288797710.

The spelling of 1442241589 in words is "one billion, four hundred forty-two million, two hundred forty-one thousand, five hundred eighty-nine".