144221340313 has 2 divisors, whose sum is σ = 144221340314. Its totient is φ = 144221340312.

The previous prime is 144221340259. The next prime is 144221340317. The reversal of 144221340313 is 313043122441.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138985804864 + 5235535449 = 372808^2 + 72357^2 .

It is a cyclic number.

It is not a de Polignac number, because 144221340313 - 2¹³ = 144221332121 is a prime.

It is not a weakly prime, because it can be changed into another prime (144221340317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72110670156 + 72110670157.

It is an arithmetic number, because the mean of its divisors is an integer number (72110670157).

Almost surely, 2^144221340313 is an apocalyptic number.

It is an amenable number.

144221340313 is a deficient number, since it is larger than the sum of its proper divisors (1).

144221340313 is an equidigital number, since it uses as much as digits as its factorization.

144221340313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 144221340313 its reverse (313043122441), we get a palindrome (457264462754).

The spelling of 144221340313 in words is "one hundred forty-four billion, two hundred twenty-one million, three hundred forty thousand, three hundred thirteen".