8645141 has 2 divisors, whose sum is σ = 8645142. Its totient is φ = 8645140.

The previous prime is 8645123. The next prime is 8645179. The reversal of 8645141 is 1415468.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8439025 + 206116 = 2905^2 + 454^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8645141 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8645341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4322570 + 4322571.

It is an arithmetic number, because the mean of its divisors is an integer number (4322571).

Almost surely, 2^8645141 is an apocalyptic number.

It is an amenable number.

8645141 is a deficient number, since it is larger than the sum of its proper divisors (1).

8645141 is an equidigital number, since it uses as much as digits as its factorization.

8645141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3840, while the sum is 29.

The square root of 8645141 is about 2940.2620631502. The cubic root of 8645141 is about 205.2378045424.

The spelling of 8645141 in words is "eight million, six hundred forty-five thousand, one hundred forty-one".