144221134313 has 2 divisors, whose sum is σ = 144221134314. Its totient is φ = 144221134312.

The previous prime is 144221134303. The next prime is 144221134339. The reversal of 144221134313 is 313431122441.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136813433689 + 7407700624 = 369883^2 + 86068^2 .

It is an emirp because it is prime and its reverse (313431122441) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 144221134313 - 2¹⁰ = 144221133289 is a prime.

It is not a weakly prime, because it can be changed into another prime (144221134303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72110567156 + 72110567157.

It is an arithmetic number, because the mean of its divisors is an integer number (72110567157).

Almost surely, 2^144221134313 is an apocalyptic number.

It is an amenable number.

144221134313 is a deficient number, since it is larger than the sum of its proper divisors (1).

144221134313 is an equidigital number, since it uses as much as digits as its factorization.

144221134313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6912, while the sum is 29.

Adding to 144221134313 its reverse (313431122441), we get a palindrome (457652256754).

The spelling of 144221134313 in words is "one hundred forty-four billion, two hundred twenty-one million, one hundred thirty-four thousand, three hundred thirteen".