800145 has 16 divisors (see below), whose sum is σ = 1422720. Its totient is φ = 426672.

The previous prime is 800143. The next prime is 800159. The reversal of 800145 is 541008.

It is not a de Polignac number, because 800145 - 2¹ = 800143 is a prime.

It is not an unprimeable number, because it can be changed into a prime (800143) 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, 2829 + ... + 3098.

It is an arithmetic number, because the mean of its divisors is an integer number (88920).

2⁸⁰⁰¹⁴⁵ is an apocalyptic number.

It is an amenable number.

800145 is a deficient number, since it is larger than the sum of its proper divisors (622575).

800145 is a wasteful number, since it uses less digits than its factorization.

800145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5941 (or 5935 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 800145 is about 894.5082447915. The cubic root of 800145 is about 92.8373849199.

The spelling of 800145 in words is "eight hundred thousand, one hundred forty-five".