200156 has 12 divisors (see below), whose sum is σ = 382200. Its totient is φ = 90960.

The previous prime is 200153. The next prime is 200159. The reversal of 200156 is 651002.

It is an interprime number because it is at equal distance from previous prime (200153) and next prime (200159).

It is a self number, because there is not a number n which added to its sum of digits gives 200156.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 200156.

It is not an unprimeable number, because it can be changed into a prime (200153) 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, 2231 + ... + 2318.

It is an arithmetic number, because the mean of its divisors is an integer number (31850).

2²⁰⁰¹⁵⁶ is an apocalyptic number.

It is an amenable number.

200156 is a deficient number, since it is larger than the sum of its proper divisors (182044).

200156 is a wasteful number, since it uses less digits than its factorization.

200156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4564 (or 4562 counting only the distinct ones).

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 200156 is about 447.3879748049. The cubic root of 200156 is about 58.4955557049.

Adding to 200156 its reverse (651002), we get a palindrome (851158).

The spelling of 200156 in words is "two hundred thousand, one hundred fifty-six".