845275 has 6 divisors (see below), whose sum is σ = 1048172. Its totient is φ = 676200.

The previous prime is 845261. The next prime is 845279. The reversal of 845275 is 572548.

It is not a de Polignac number, because 845275 - 2⁹ = 844763 is a prime.

It is a d-powerful number, because it can be written as 8⁴ + 4⁷ + 2 + 5⁴ + 7⁷ + 5⁴ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (845279) 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 5 ways as a sum of consecutive naturals, for example, 16881 + ... + 16930.

2⁸⁴⁵²⁷⁵ is an apocalyptic number.

845275 is a deficient number, since it is larger than the sum of its proper divisors (202897).

845275 is a wasteful number, since it uses less digits than its factorization.

845275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33821 (or 33816 counting only the distinct ones).

The product of its digits is 11200, while the sum is 31.

The square root of 845275 is about 919.3883836551. The cubic root of 845275 is about 94.5509742440.

The spelling of 845275 in words is "eight hundred forty-five thousand, two hundred seventy-five".