141845689 has 2 divisors, whose sum is σ = 141845690. Its totient is φ = 141845688.

The previous prime is 141845687. The next prime is 141845723. The reversal of 141845689 is 986548141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 141205689 + 640000 = 11883^2 + 800^2 .

It is an emirp because it is prime and its reverse (986548141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 141845689 - 2¹ = 141845687 is a prime.

Together with 141845687, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (141845681) 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, 70922844 + 70922845.

It is an arithmetic number, because the mean of its divisors is an integer number (70922845).

Almost surely, 2^141845689 is an apocalyptic number.

It is an amenable number.

141845689 is a deficient number, since it is larger than the sum of its proper divisors (1).

141845689 is an equidigital number, since it uses as much as digits as its factorization.

141845689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 276480, while the sum is 46.

The square root of 141845689 is about 11909.8987821056. The cubic root of 141845689 is about 521.5212957441.

The spelling of 141845689 in words is "one hundred forty-one million, eight hundred forty-five thousand, six hundred eighty-nine".