8105145 has 8 divisors (see below), whose sum is σ = 12968256. Its totient is φ = 4322736.

The previous prime is 8105129. The next prime is 8105179. The reversal of 8105145 is 5415018.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8105145 - 2⁴ = 8105129 is a prime.

It is a Curzon number.

8105145 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270157 + ... + 270186.

It is an arithmetic number, because the mean of its divisors is an integer number (1621032).

Almost surely, 2^8105145 is an apocalyptic number.

It is an amenable number.

8105145 is a deficient number, since it is larger than the sum of its proper divisors (4863111).

8105145 is a wasteful number, since it uses less digits than its factorization.

8105145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540351.

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 8105145 is about 2846.9536350282. The cubic root of 8105145 is about 200.8723974141.

The spelling of 8105145 in words is "eight million, one hundred five thousand, one hundred forty-five".