144404747329 has 2 divisors, whose sum is σ = 144404747330. Its totient is φ = 144404747328.

The previous prime is 144404747281. The next prime is 144404747381. The reversal of 144404747329 is 923747404441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135091532304 + 9313215025 = 367548^2 + 96505^2 .

It is an emirp because it is prime and its reverse (923747404441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144404747329 - 2¹⁵ = 144404714561 is a prime.

It is not a weakly prime, because it can be changed into another prime (144404747029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72202373664 + 72202373665.

It is an arithmetic number, because the mean of its divisors is an integer number (72202373665).

Almost surely, 2^144404747329 is an apocalyptic number.

It is an amenable number.

144404747329 is a deficient number, since it is larger than the sum of its proper divisors (1).

144404747329 is an equidigital number, since it uses as much as digits as its factorization.

144404747329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2709504, while the sum is 49.

The spelling of 144404747329 in words is "one hundred forty-four billion, four hundred four million, seven hundred forty-seven thousand, three hundred twenty-nine".