845043 has 16 divisors (see below), whose sum is σ = 1211136. Its totient is φ = 522720.

The previous prime is 845041. The next prime is 845069. The reversal of 845043 is 340548.

It is a happy number.

It is not a de Polignac number, because 845043 - 2¹ = 845041 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (845041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2388 + ... + 2718.

It is an arithmetic number, because the mean of its divisors is an integer number (75696).

2⁸⁴⁵⁰⁴³ is an apocalyptic number.

845043 is a deficient number, since it is larger than the sum of its proper divisors (366093).

845043 is a wasteful number, since it uses less digits than its factorization.

845043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 845043 is about 919.2622041616. The cubic root of 845043 is about 94.5423230819.

The spelling of 845043 in words is "eight hundred forty-five thousand, forty-three".