144202213 has 2 divisors, whose sum is σ = 144202214. Its totient is φ = 144202212.

The previous prime is 144202199. The next prime is 144202217. The reversal of 144202213 is 312202441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 90003169 + 54199044 = 9487^2 + 7362^2 .

It is an emirp because it is prime and its reverse (312202441) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144202213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144202217) 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, 72101106 + 72101107.

It is an arithmetic number, because the mean of its divisors is an integer number (72101107).

Almost surely, 2^144202213 is an apocalyptic number.

It is an amenable number.

144202213 is a deficient number, since it is larger than the sum of its proper divisors (1).

144202213 is an equidigital number, since it uses as much as digits as its factorization.

144202213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 144202213 is about 12008.4225858353. The cubic root of 144202213 is about 524.3935103750.

Adding to 144202213 its reverse (312202441), we get a palindrome (456404654).

The spelling of 144202213 in words is "one hundred forty-four million, two hundred two thousand, two hundred thirteen".