144021144122113 has 4 divisors (see below), whose sum is σ = 144021276807508. Its totient is φ = 144021011436720.

The previous prime is 144021144122099. The next prime is 144021144122137. The reversal of 144021144122113 is 311221441120441.

It is a happy number.

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 39468637713649 + 104552506408464 = 6282407^2 + 10225092^2 .

It is a cyclic number.

It is not a de Polignac number, because 144021144122113 - 2²¹ = 144021142024961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144021144152113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64701006 + ... + 66889927.

It is an arithmetic number, because the mean of its divisors is an integer number (36005319201877).

Almost surely, 2^{144021144122113} is an apocalyptic number.

It is an amenable number.

144021144122113 is a deficient number, since it is larger than the sum of its proper divisors (132685395).

144021144122113 is a wasteful number, since it uses less digits than its factorization.

144021144122113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132685394.

The product of its (nonzero) digits is 6144, while the sum is 31.

Adding to 144021144122113 its reverse (311221441120441), we get a palindrome (455242585242554).

The spelling of 144021144122113 in words is "one hundred forty-four trillion, twenty-one billion, one hundred forty-four million, one hundred twenty-two thousand, one hundred thirteen".