845254 has 4 divisors (see below), whose sum is σ = 1267884. Its totient is φ = 422626.

The previous prime is 845237. The next prime is 845261. The reversal of 845254 is 452548.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211312 + ... + 211315.

It is an arithmetic number, because the mean of its divisors is an integer number (316971).

2⁸⁴⁵²⁵⁴ is an apocalyptic number.

845254 is a deficient number, since it is larger than the sum of its proper divisors (422630).

845254 is a wasteful number, since it uses less digits than its factorization.

845254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422629.

The product of its digits is 6400, while the sum is 28.

The square root of 845254 is about 919.3769629483. The cubic root of 845254 is about 94.5501912299.

The spelling of 845254 in words is "eight hundred forty-five thousand, two hundred fifty-four".