144403004321 has 2 divisors, whose sum is σ = 144403004322. Its totient is φ = 144403004320.

The previous prime is 144403004303. The next prime is 144403004323. The reversal of 144403004321 is 123400304441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140691757921 + 3711246400 = 375089^2 + 60920^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144403004321 is a prime.

It is a super-3 number, since 3×144403004321³ (a number of 34 digits) contains 333 as substring.

It is a Sophie Germain prime.

Together with 144403004323, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (144403004323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72201502160 + 72201502161.

It is an arithmetic number, because the mean of its divisors is an integer number (72201502161).

Almost surely, 2^144403004321 is an apocalyptic number.

It is an amenable number.

144403004321 is a deficient number, since it is larger than the sum of its proper divisors (1).

144403004321 is an equidigital number, since it uses as much as digits as its factorization.

144403004321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 144403004321 its reverse (123400304441), we get a palindrome (267803308762).

The spelling of 144403004321 in words is "one hundred forty-four billion, four hundred three million, four thousand, three hundred twenty-one".