144321322020443 has 8 divisors (see below), whose sum is σ = 145408685529600. Its totient is φ = 143236421397288.

The previous prime is 144321322020437. The next prime is 144321322020461. The reversal of 144321322020443 is 344020223123441.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 144321322020443 - 2⁴ = 144321322020427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144321322026443) 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 7 ways as a sum of consecutive naturals, for example, 615603863 + ... + 615838256.

It is an arithmetic number, because the mean of its divisors is an integer number (18176085691200).

Almost surely, 2^{144321322020443} is an apocalyptic number.

144321322020443 is a deficient number, since it is larger than the sum of its proper divisors (1087363509157).

144321322020443 is a wasteful number, since it uses less digits than its factorization.

144321322020443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231443001.

The product of its (nonzero) digits is 110592, while the sum is 35.

Adding to 144321322020443 its reverse (344020223123441), we get a palindrome (488341545143884).

The spelling of 144321322020443 in words is "one hundred forty-four trillion, three hundred twenty-one billion, three hundred twenty-two million, twenty thousand, four hundred forty-three".