144401444321 has 16 divisors (see below), whose sum is σ = 151464384000. Its totient is φ = 137478354048.

The previous prime is 144401444303. The next prime is 144401444339. The reversal of 144401444321 is 123444104441.

It is an interprime number because it is at equal distance from previous prime (144401444303) and next prime (144401444339).

It is a cyclic number.

It is not a de Polignac number, because 144401444321 - 2³⁴ = 127221575137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144401444351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14600240 + ... + 14610126.

It is an arithmetic number, because the mean of its divisors is an integer number (9466524000).

Almost surely, 2^144401444321 is an apocalyptic number.

It is an amenable number.

144401444321 is a deficient number, since it is larger than the sum of its proper divisors (7062939679).

144401444321 is an equidigital number, since it uses as much as digits as its factorization.

144401444321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16888.

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 144401444321 its reverse (123444104441), we get a palindrome (267845548762).

The spelling of 144401444321 in words is "one hundred forty-four billion, four hundred one million, four hundred forty-four thousand, three hundred twenty-one".