141303221 has 2 divisors, whose sum is σ = 141303222. Its totient is φ = 141303220.

The previous prime is 141303193. The next prime is 141303229. The reversal of 141303221 is 122303141.

141303221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 129640996 + 11662225 = 11386^2 + 3415^2 .

It is an emirp because it is prime and its reverse (122303141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 141303221 - 2⁶ = 141303157 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 141303221.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141303229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70651610 + 70651611.

It is an arithmetic number, because the mean of its divisors is an integer number (70651611).

Almost surely, 2^141303221 is an apocalyptic number.

It is an amenable number.

141303221 is a deficient number, since it is larger than the sum of its proper divisors (1).

141303221 is an equidigital number, since it uses as much as digits as its factorization.

141303221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 141303221 is about 11887.1031374343. The cubic root of 141303221 is about 520.8556192334.

Adding to 141303221 its reverse (122303141), we get a palindrome (263606362).

The spelling of 141303221 in words is "one hundred forty-one million, three hundred three thousand, two hundred twenty-one".