8102045 has 16 divisors (see below), whose sum is σ = 11249280. Its totient is φ = 5486784.

The previous prime is 8102041. The next prime is 8102053. The reversal of 8102045 is 5402018.

It is a cyclic number.

It is not a de Polignac number, because 8102045 - 2² = 8102041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8102041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1511 + ... + 4299.

It is an arithmetic number, because the mean of its divisors is an integer number (703080).

Almost surely, 2^8102045 is an apocalyptic number.

It is an amenable number.

8102045 is a deficient number, since it is larger than the sum of its proper divisors (3147235).

8102045 is a wasteful number, since it uses less digits than its factorization.

8102045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2884.

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 8102045 is about 2846.4091413569. The cubic root of 8102045 is about 200.8467847184.

The spelling of 8102045 in words is "eight million, one hundred two thousand, forty-five".