141391543 has 2 divisors, whose sum is σ = 141391544. Its totient is φ = 141391542.

The previous prime is 141391529. The next prime is 141391561. The reversal of 141391543 is 345193141.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-141391543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (141391043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 70695771 + 70695772.

It is an arithmetic number, because the mean of its divisors is an integer number (70695772).

Almost surely, 2^141391543 is an apocalyptic number.

141391543 is a deficient number, since it is larger than the sum of its proper divisors (1).

141391543 is an equidigital number, since it uses as much as digits as its factorization.

141391543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 31.

The square root of 141391543 is about 11890.8175917386. The cubic root of 141391543 is about 520.9641174173.

The spelling of 141391543 in words is "one hundred forty-one million, three hundred ninety-one thousand, five hundred forty-three".