141402281 has 2 divisors, whose sum is σ = 141402282. Its totient is φ = 141402280.

The previous prime is 141402263. The next prime is 141402383. The reversal of 141402281 is 182204141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141395881 + 6400 = 11891^2 + 80^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-141402281 is a prime.

It is a super-2 number, since 2×141402281² = 39989210144005922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (141462281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70701140 + 70701141.

It is an arithmetic number, because the mean of its divisors is an integer number (70701141).

Almost surely, 2^141402281 is an apocalyptic number.

It is an amenable number.

141402281 is a deficient number, since it is larger than the sum of its proper divisors (1).

141402281 is an equidigital number, since it uses as much as digits as its factorization.

141402281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 512, while the sum is 23.

The square root of 141402281 is about 11891.2691080473. The cubic root of 141402281 is about 520.9773053137.

The spelling of 141402281 in words is "one hundred forty-one million, four hundred two thousand, two hundred eighty-one".