144321332120243 has 8 divisors (see below), whose sum is σ = 145054777575312. Its totient is φ = 143587895250016.

The previous prime is 144321332120237. The next prime is 144321332120347. The reversal of 144321332120243 is 342021233123441.

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 144321332120243 - 2⁴ = 144321332120227 is a prime.

It is a super-2 number, since 2×144321332120243² (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 (144321332120213) 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, 33022121 + ... + 37136277.

It is an arithmetic number, because the mean of its divisors is an integer number (18131847196914).

Almost surely, 2^{144321332120243} is an apocalyptic number.

144321332120243 is a deficient number, since it is larger than the sum of its proper divisors (733445455069).

144321332120243 is a wasteful number, since it uses less digits than its factorization.

144321332120243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4292421.

The product of its (nonzero) digits is 82944, while the sum is 35.

Adding to 144321332120243 its reverse (342021233123441), we get a palindrome (486342565243684).

The spelling of 144321332120243 in words is "one hundred forty-four trillion, three hundred twenty-one billion, three hundred thirty-two million, one hundred twenty thousand, two hundred forty-three".