82245 has 8 divisors (see below), whose sum is σ = 131616. Its totient is φ = 43856.

The previous prime is 82241. The next prime is 82261. The reversal of 82245 is 54228.

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

It is a cyclic number.

It is not a de Polignac number, because 82245 - 2² = 82241 is a prime.

It is a d-powerful number, because it can be written as 8 + 2¹¹ + 2¹¹ + 4² + 5⁷ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2727 + ... + 2756.

It is an arithmetic number, because the mean of its divisors is an integer number (16452).

2⁸²²⁴⁵ is an apocalyptic number.

It is an amenable number.

82245 is a deficient number, since it is larger than the sum of its proper divisors (49371).

82245 is a wasteful number, since it uses less digits than its factorization.

82245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5491.

The product of its digits is 640, while the sum is 21.

The square root of 82245 is about 286.7838907610. The cubic root of 82245 is about 43.4880400467.

The spelling of 82245 in words is "eighty-two thousand, two hundred forty-five".