144323221144 has 8 divisors (see below), whose sum is σ = 270606039660. Its totient is φ = 72161610568.

The previous prime is 144323221129. The next prime is 144323221193. The reversal of 144323221144 is 441122323441.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×144323221144² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9020201314 + ... + 9020201329.

Almost surely, 2^144323221144 is an apocalyptic number.

It is an amenable number.

144323221144 is a deficient number, since it is larger than the sum of its proper divisors (126282818516).

144323221144 is a wasteful number, since it uses less digits than its factorization.

144323221144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18040402649 (or 18040402645 counting only the distinct ones).

The product of its digits is 18432, while the sum is 31.

Adding to 144323221144 its reverse (441122323441), we get a palindrome (585445544585).

The spelling of 144323221144 in words is "one hundred forty-four billion, three hundred twenty-three million, two hundred twenty-one thousand, one hundred forty-four".