845255 has 8 divisors (see below), whose sum is σ = 1029024. Its totient is φ = 666400.

The previous prime is 845237. The next prime is 845261. The reversal of 845255 is 552548.

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

It is not a de Polignac number, because 845255 - 2⁸ = 844999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 845255.

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, 836 + ... + 1545.

It is an arithmetic number, because the mean of its divisors is an integer number (128628).

2⁸⁴⁵²⁵⁵ is an apocalyptic number.

845255 is a deficient number, since it is larger than the sum of its proper divisors (183769).

845255 is a wasteful number, since it uses less digits than its factorization.

845255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2457.

The product of its digits is 8000, while the sum is 29.

The square root of 845255 is about 919.3775067947. The cubic root of 845255 is about 94.5502285166.

The spelling of 845255 in words is "eight hundred forty-five thousand, two hundred fifty-five".