8508145 has 4 divisors (see below), whose sum is σ = 10209780. Its totient is φ = 6806512.

The previous prime is 8508127. The next prime is 8508151. The reversal of 8508145 is 5418058.

8508145 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 can be written as a sum of positive squares in 2 ways, for example, as 4524129 + 3984016 = 2127^2 + 1996^2 .

It is a cyclic number.

It is not a de Polignac number, because 8508145 - 2¹⁵ = 8475377 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 850810 + ... + 850819.

It is an arithmetic number, because the mean of its divisors is an integer number (2552445).

Almost surely, 2^8508145 is an apocalyptic number.

It is an amenable number.

8508145 is a deficient number, since it is larger than the sum of its proper divisors (1701635).

8508145 is a wasteful number, since it uses less digits than its factorization.

8508145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1701634.

The product of its (nonzero) digits is 6400, while the sum is 31.

The square root of 8508145 is about 2916.8724689297. The cubic root of 8508145 is about 204.1479207186.

The spelling of 8508145 in words is "eight million, five hundred eight thousand, one hundred forty-five".