1044144289 has 2 divisors, whose sum is σ = 1044144290. Its totient is φ = 1044144288.

The previous prime is 1044144209. The next prime is 1044144323. The reversal of 1044144289 is 9824414401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 910047889 + 134096400 = 30167^2 + 11580^2 .

It is an emirp because it is prime and its reverse (9824414401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1044144289 - 2⁹ = 1044143777 is a prime.

It is not a weakly prime, because it can be changed into another prime (1044144209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522072144 + 522072145.

It is an arithmetic number, because the mean of its divisors is an integer number (522072145).

Almost surely, 2^1044144289 is an apocalyptic number.

It is an amenable number.

1044144289 is a deficient number, since it is larger than the sum of its proper divisors (1).

1044144289 is an equidigital number, since it uses as much as digits as its factorization.

1044144289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36864, while the sum is 37.

The square root of 1044144289 is about 32313.2215818850. The cubic root of 1044144289 is about 1014.5033975370.

The spelling of 1044144289 in words is "one billion, forty-four million, one hundred forty-four thousand, two hundred eighty-nine".