144313030142321 has 4 divisors (see below), whose sum is σ = 144313134291444. Its totient is φ = 144312925993200.

The previous prime is 144313030142299. The next prime is 144313030142327. The reversal of 144313030142321 is 123241030313441.

144313030142321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 62048783181025 + 82264246961296 = 7877105^2 + 9069964^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144313030142321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (144313030142327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49967690 + ... + 52776851.

It is an arithmetic number, because the mean of its divisors is an integer number (36078283572861).

Almost surely, 2^{144313030142321} is an apocalyptic number.

It is an amenable number.

144313030142321 is a deficient number, since it is larger than the sum of its proper divisors (104149123).

144313030142321 is a wasteful number, since it uses less digits than its factorization.

144313030142321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104149122.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 144313030142321 its reverse (123241030313441), we get a palindrome (267554060455762).

The spelling of 144313030142321 in words is "one hundred forty-four trillion, three hundred thirteen billion, thirty million, one hundred forty-two thousand, three hundred twenty-one".