850159 has 4 divisors (see below), whose sum is σ = 852016. Its totient is φ = 848304.

The previous prime is 850147. The next prime is 850177. The reversal of 850159 is 951058.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 951058 = 2 ⋅475529.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-850159 is a prime.

It is a Duffinian number.

850159 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (850139) 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, 307 + ... + 1339.

It is an arithmetic number, because the mean of its divisors is an integer number (213004).

2⁸⁵⁰¹⁵⁹ is an apocalyptic number.

850159 is a deficient number, since it is larger than the sum of its proper divisors (1857).

850159 is a wasteful number, since it uses less digits than its factorization.

850159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1856.

The product of its (nonzero) digits is 1800, while the sum is 28.

The square root of 850159 is about 922.0406715541. The cubic root of 850159 is about 94.7327298464.

The spelling of 850159 in words is "eight hundred fifty thousand, one hundred fifty-nine".