144022013 has 2 divisors, whose sum is σ = 144022014. Its totient is φ = 144022012.

The previous prime is 144021973. The next prime is 144022049. The reversal of 144022013 is 310220441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90117049 + 53904964 = 9493^2 + 7342^2 .

It is a cyclic number.

It is not a de Polignac number, because 144022013 - 2⁶ = 144021949 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 144021982 and 144022000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144022313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72011006 + 72011007.

It is an arithmetic number, because the mean of its divisors is an integer number (72011007).

Almost surely, 2^144022013 is an apocalyptic number.

It is an amenable number.

144022013 is a deficient number, since it is larger than the sum of its proper divisors (1).

144022013 is an equidigital number, since it uses as much as digits as its factorization.

144022013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 144022013 is about 12000.9171732830. The cubic root of 144022013 is about 524.1749859903.

Adding to 144022013 its reverse (310220441), we get a palindrome (454242454).

The spelling of 144022013 in words is "one hundred forty-four million, twenty-two thousand, thirteen".