144525244341221 has 2 divisors, whose sum is σ = 144525244341222. Its totient is φ = 144525244341220.

The previous prime is 144525244341103. The next prime is 144525244341323. The reversal of 144525244341221 is 122143442525441.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118567380988225 + 25957863352996 = 10888865^2 + 5094886^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-144525244341221 is a prime.

It is a super-3 number, since 3×144525244341221³ (a number of 43 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (144525244641221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72262622170610 + 72262622170611.

It is an arithmetic number, because the mean of its divisors is an integer number (72262622170611).

Almost surely, 2^{144525244341221} is an apocalyptic number.

It is an amenable number.

144525244341221 is a deficient number, since it is larger than the sum of its proper divisors (1).

144525244341221 is an equidigital number, since it uses as much as digits as its factorization.

144525244341221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1228800, while the sum is 44.

Adding to 144525244341221 its reverse (122143442525441), we get a palindrome (266668686866662).

The spelling of 144525244341221 in words is "one hundred forty-four trillion, five hundred twenty-five billion, two hundred forty-four million, three hundred forty-one thousand, two hundred twenty-one".