8105147 has 4 divisors (see below), whose sum is σ = 8219376. Its totient is φ = 7990920.

The previous prime is 8105129. The next prime is 8105179. The reversal of 8105147 is 7415018.

8105147 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8105147 - 2¹⁰ = 8104123 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8105047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57008 + ... + 57149.

It is an arithmetic number, because the mean of its divisors is an integer number (2054844).

Almost surely, 2^8105147 is an apocalyptic number.

8105147 is a deficient number, since it is larger than the sum of its proper divisors (114229).

8105147 is a wasteful number, since it uses less digits than its factorization.

8105147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114228.

The product of its (nonzero) digits is 1120, while the sum is 26.

The square root of 8105147 is about 2846.9539862808. The cubic root of 8105147 is about 200.8724139363.

The spelling of 8105147 in words is "eight million, one hundred five thousand, one hundred forty-seven".