845002 has 16 divisors (see below), whose sum is σ = 1389960. Its totient is φ = 383488.

The previous prime is 844999. The next prime is 845003. The reversal of 845002 is 200548.

It is a happy number.

845002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 844561 + 441 = 919^2 + 21^2 .

It is not an unprimeable number, because it can be changed into a prime (845003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 558 + ... + 1414.

2⁸⁴⁵⁰⁰² is an apocalyptic number.

845002 is a deficient number, since it is larger than the sum of its proper divisors (544958).

845002 is a wasteful number, since it uses less digits than its factorization.

845002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 845002 is about 919.2399033985. The cubic root of 845002 is about 94.5407940481.

The spelling of 845002 in words is "eight hundred forty-five thousand, two".