144544450321 has 2 divisors, whose sum is σ = 144544450322. Its totient is φ = 144544450320.

The previous prime is 144544450319. The next prime is 144544450343. The reversal of 144544450321 is 123054445441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138086560000 + 6457890321 = 371600^2 + 80361^2 .

It is a cyclic number.

It is not a de Polignac number, because 144544450321 - 2¹ = 144544450319 is a prime.

Together with 144544450319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (144544450301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72272225160 + 72272225161.

It is an arithmetic number, because the mean of its divisors is an integer number (72272225161).

Almost surely, 2^144544450321 is an apocalyptic number.

It is an amenable number.

144544450321 is a deficient number, since it is larger than the sum of its proper divisors (1).

144544450321 is an equidigital number, since it uses as much as digits as its factorization.

144544450321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 153600, while the sum is 37.

Adding to 144544450321 its reverse (123054445441), we get a palindrome (267598895762).

The spelling of 144544450321 in words is "one hundred forty-four billion, five hundred forty-four million, four hundred fifty thousand, three hundred twenty-one".