144442320312223 has 8 divisors (see below), whose sum is σ = 145768196122560. Its totient is φ = 143116457536800.

The previous prime is 144442320312193. The next prime is 144442320312287. The reversal of 144442320312223 is 322213023244441.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144442320312223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144442320312523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19747386 + ... + 26054632.

It is an arithmetic number, because the mean of its divisors is an integer number (18221024515320).

Almost surely, 2^{144442320312223} is an apocalyptic number.

144442320312223 is a deficient number, since it is larger than the sum of its proper divisors (1325875810337).

144442320312223 is a wasteful number, since it uses less digits than its factorization.

144442320312223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6517457.

The product of its (nonzero) digits is 221184, while the sum is 37.

Adding to 144442320312223 its reverse (322213023244441), we get a palindrome (466655343556664).

The spelling of 144442320312223 in words is "one hundred forty-four trillion, four hundred forty-two billion, three hundred twenty million, three hundred twelve thousand, two hundred twenty-three".