141111643 has 2 divisors, whose sum is σ = 141111644. Its totient is φ = 141111642.

The previous prime is 141111637. The next prime is 141111661. The reversal of 141111643 is 346111141.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (346111141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 141111643 - 2²⁵ = 107557211 is a prime.

It is not a weakly prime, because it can be changed into another prime (141111683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70555821 + 70555822.

It is an arithmetic number, because the mean of its divisors is an integer number (70555822).

Almost surely, 2^141111643 is an apocalyptic number.

141111643 is a deficient number, since it is larger than the sum of its proper divisors (1).

141111643 is an equidigital number, since it uses as much as digits as its factorization.

141111643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 22.

The square root of 141111643 is about 11879.0421751924. The cubic root of 141111643 is about 520.6201218710.

Adding to 141111643 its reverse (346111141), we get a palindrome (487222784).

The spelling of 141111643 in words is "one hundred forty-one million, one hundred eleven thousand, six hundred forty-three".