144433335064513 has 24 divisors (see below), whose sum is σ = 158891549118120. Its totient is φ = 131192016384000.

The previous prime is 144433335064489. The next prime is 144433335064517. The reversal of 144433335064513 is 315460533334441.

It can be written as a sum of positive squares in 4 ways, for example, as 53966757286849 + 90466577777664 = 7346207^2 + 9511392^2 .

It is not a de Polignac number, because 144433335064513 - 2¹⁷ = 144433334933441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144433335064517) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2705882881 + ... + 2705936257.

It is an arithmetic number, because the mean of its divisors is an integer number (6620481213255).

Almost surely, 2^{144433335064513} is an apocalyptic number.

It is an amenable number.

144433335064513 is a deficient number, since it is larger than the sum of its proper divisors (14458214053607).

144433335064513 is a wasteful number, since it uses less digits than its factorization.

144433335064513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71889 (or 71878 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 49.

Adding to 144433335064513 its reverse (315460533334441), we get a palindrome (459893868398954).

The spelling of 144433335064513 in words is "one hundred forty-four trillion, four hundred thirty-three billion, three hundred thirty-five million, sixty-four thousand, five hundred thirteen".