8102145 has 16 divisors (see below), whose sum is σ = 13004352. Its totient is φ = 4307520.

The previous prime is 8102137. The next prime is 8102167. The reversal of 8102145 is 5412018.

It is not a de Polignac number, because 8102145 - 2³ = 8102137 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5674 + ... + 6956.

It is an arithmetic number, because the mean of its divisors is an integer number (812772).

Almost surely, 2^8102145 is an apocalyptic number.

It is an amenable number.

8102145 is a deficient number, since it is larger than the sum of its proper divisors (4902207).

8102145 is a wasteful number, since it uses less digits than its factorization.

8102145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1712.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 8102145 is about 2846.4267072946. The cubic root of 8102145 is about 200.8476110363.

The spelling of 8102145 in words is "eight million, one hundred two thousand, one hundred forty-five".