144454224329 has 2 divisors, whose sum is σ = 144454224330. Its totient is φ = 144454224328.

The previous prime is 144454224319. The next prime is 144454224331. The reversal of 144454224329 is 923422454441.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 94834434304 + 49619790025 = 307952^2 + 222755^2 .

It is a cyclic number.

It is not a de Polignac number, because 144454224329 - 2⁸ = 144454224073 is a prime.

Together with 144454224331, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144454224329.

It is not a weakly prime, because it can be changed into another prime (144454224319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72227112164 + 72227112165.

It is an arithmetic number, because the mean of its divisors is an integer number (72227112165).

Almost surely, 2^144454224329 is an apocalyptic number.

It is an amenable number.

144454224329 is a deficient number, since it is larger than the sum of its proper divisors (1).

144454224329 is an equidigital number, since it uses as much as digits as its factorization.

144454224329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1105920, while the sum is 44.

The spelling of 144454224329 in words is "one hundred forty-four billion, four hundred fifty-four million, two hundred twenty-four thousand, three hundred twenty-nine".