845064 has 72 divisors (see below), whose sum is σ = 2541630. Its totient is φ = 253440.

The previous prime is 845041. The next prime is 845069. The reversal of 845064 is 460548.

It can be written as a sum of positive squares in only one way, i.e., 736164 + 108900 = 858^2 + 330^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

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 17 ways as a sum of consecutive naturals, for example, 8664 + ... + 8760.

2⁸⁴⁵⁰⁶⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 845064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1270815).

845064 is an abundant number, since it is smaller than the sum of its proper divisors (1696566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

845064 is a wasteful number, since it uses less digits than its factorization.

845064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 845064 is about 919.2736262942. The cubic root of 845064 is about 94.5431062264.

The spelling of 845064 in words is "eight hundred forty-five thousand, sixty-four".