8145117814 has 16 divisors (see below), whose sum is σ = 12263726016. Its totient is φ = 4057230600.

The previous prime is 8145117787. The next prime is 8145117817. The reversal of 8145117814 is 4187115418.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8145117817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 891409 + ... + 900499.

It is an arithmetic number, because the mean of its divisors is an integer number (766482876).

Almost surely, 2^8145117814 is an apocalyptic number.

8145117814 is a deficient number, since it is larger than the sum of its proper divisors (4118608202).

8145117814 is a wasteful number, since it uses less digits than its factorization.

8145117814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10731.

The product of its digits is 35840, while the sum is 40.

The square root of 8145117814 is about 90250.3064482332. The cubic root of 8145117814 is about 2012.0207571173.

The spelling of 8145117814 in words is "eight billion, one hundred forty-five million, one hundred seventeen thousand, eight hundred fourteen".