144313320321 has 24 divisors (see below), whose sum is σ = 213631401984. Its totient is φ = 93820731840.

The previous prime is 144313320299. The next prime is 144313320341. The reversal of 144313320321 is 123023313441.

It is a happy number.

144313320321 is a `hidden beast` number, since 1 + 4 + 4 + 3 + 1 + 332 + 0 + 321 = 666.

It is not a de Polignac number, because 144313320321 - 2²³ = 144304931713 is a prime.

It is not an unprimeable number, because it can be changed into a prime (144313320341) by changing a digit.

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 in 23 ways as a sum of consecutive naturals, for example, 758400 + ... + 929406.

It is an arithmetic number, because the mean of its divisors is an integer number (8901308416).

Almost surely, 2^144313320321 is an apocalyptic number.

It is an amenable number.

144313320321 is a deficient number, since it is larger than the sum of its proper divisors (69318081663).

144313320321 is a wasteful number, since it uses less digits than its factorization.

144313320321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173341 (or 173338 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 144313320321 its reverse (123023313441), we get a palindrome (267336633762).

The spelling of 144313320321 in words is "one hundred forty-four billion, three hundred thirteen million, three hundred twenty thousand, three hundred twenty-one".