845059 has 4 divisors (see below), whose sum is σ = 849960. Its totient is φ = 840160.

The previous prime is 845041. The next prime is 845069. The reversal of 845059 is 950548.

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

It is a cyclic number.

It is not a de Polignac number, because 845059 - 2⁵ = 845027 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 845059.

It is not an unprimeable number, because it can be changed into a prime (845069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2182 + ... + 2539.

It is an arithmetic number, because the mean of its divisors is an integer number (212490).

2⁸⁴⁵⁰⁵⁹ is an apocalyptic number.

845059 is a deficient number, since it is larger than the sum of its proper divisors (4901).

845059 is a wasteful number, since it uses less digits than its factorization.

845059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4900.

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 845059 is about 919.2709067516. The cubic root of 845059 is about 94.5429197646.

The spelling of 845059 in words is "eight hundred forty-five thousand, fifty-nine".