143525000221 has 2 divisors, whose sum is σ = 143525000222. Its totient is φ = 143525000220.

The previous prime is 143525000219. The next prime is 143525000273. The reversal of 143525000221 is 122000525341.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89182863225 + 54342136996 = 298635^2 + 233114^2 .

It is a cyclic number.

It is not a de Polignac number, because 143525000221 - 2¹ = 143525000219 is a prime.

Together with 143525000219, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (143525000321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71762500110 + 71762500111.

It is an arithmetic number, because the mean of its divisors is an integer number (71762500111).

Almost surely, 2^143525000221 is an apocalyptic number.

It is an amenable number.

143525000221 is a deficient number, since it is larger than the sum of its proper divisors (1).

143525000221 is an equidigital number, since it uses as much as digits as its factorization.

143525000221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 143525000221 its reverse (122000525341), we get a palindrome (265525525562).

The spelling of 143525000221 in words is "one hundred forty-three billion, five hundred twenty-five million, two hundred twenty-one", and thus it is an aban number.