141522281 has 2 divisors, whose sum is σ = 141522282. Its totient is φ = 141522280.

The previous prime is 141522247. The next prime is 141522307. The reversal of 141522281 is 182225141.

It is an a-pointer prime, because the next prime (141522307) can be obtained adding 141522281 to its sum of digits (26).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136305625 + 5216656 = 11675^2 + 2284^2 .

It is a cyclic number.

It is not a de Polignac number, because 141522281 - 2¹⁰ = 141521257 is a prime.

It is a super-2 number, since 2×141522281² = 40057112038885922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 141522281.

It is not a weakly prime, because it can be changed into another prime (141522211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70761140 + 70761141.

It is an arithmetic number, because the mean of its divisors is an integer number (70761141).

Almost surely, 2^141522281 is an apocalyptic number.

It is an amenable number.

141522281 is a deficient number, since it is larger than the sum of its proper divisors (1).

141522281 is an equidigital number, since it uses as much as digits as its factorization.

141522281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1280, while the sum is 26.

The square root of 141522281 is about 11896.3137567904. The cubic root of 141522281 is about 521.1246381563.

The spelling of 141522281 in words is "one hundred forty-one million, five hundred twenty-two thousand, two hundred eighty-one".