141998281 has 2 divisors, whose sum is σ = 141998282. Its totient is φ = 141998280.

The previous prime is 141998279. The next prime is 141998303. The reversal of 141998281 is 182899141.

It is a happy number.

141998281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141991056 + 7225 = 11916^2 + 85^2 .

It is a cyclic number.

It is not a de Polignac number, because 141998281 - 2¹ = 141998279 is a prime.

It is a super-2 number, since 2×141998281² = 40327023613909922, which contains 22 as substring.

Together with 141998279, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (141998221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70999140 + 70999141.

It is an arithmetic number, because the mean of its divisors is an integer number (70999141).

Almost surely, 2^141998281 is an apocalyptic number.

It is an amenable number.

141998281 is a deficient number, since it is larger than the sum of its proper divisors (1).

141998281 is an equidigital number, since it uses as much as digits as its factorization.

141998281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 43.

The square root of 141998281 is about 11916.3031599570. The cubic root of 141998281 is about 521.7082394077.

The spelling of 141998281 in words is "one hundred forty-one million, nine hundred ninety-eight thousand, two hundred eighty-one".