144442234324321 has 4 divisors (see below), whose sum is σ = 144444828016944. Its totient is φ = 144439640631700.

The previous prime is 144442234324307. The next prime is 144442234324357. The reversal of 144442234324321 is 123423432244441.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 144442234324321 - 2²⁷ = 144442100106593 is a prime.

It is a super-2 number, since 2×144442234324321² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144442234325321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1296762775 + ... + 1296874156.

It is an arithmetic number, because the mean of its divisors is an integer number (36111207004236).

Almost surely, 2^{144442234324321} is an apocalyptic number.

It is an amenable number.

144442234324321 is a deficient number, since it is larger than the sum of its proper divisors (2593692623).

144442234324321 is an equidigital number, since it uses as much as digits as its factorization.

144442234324321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2593692622.

The product of its digits is 1769472, while the sum is 43.

Adding to 144442234324321 its reverse (123423432244441), we get a palindrome (267865666568762).

The spelling of 144442234324321 in words is "one hundred forty-four trillion, four hundred forty-two billion, two hundred thirty-four million, three hundred twenty-four thousand, three hundred twenty-one".