202159 has 4 divisors (see below), whose sum is σ = 209160. Its totient is φ = 195160.

The previous prime is 202129. The next prime is 202183. The reversal of 202159 is 951202.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 202159 - 2⁵ = 202127 is a prime.

It is a super-2 number, since 2×202159² = 81736522562, which contains 22 as substring.

It is a Duffinian number.

202159 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3457 + ... + 3514.

It is an arithmetic number, because the mean of its divisors is an integer number (52290).

2²⁰²¹⁵⁹ is an apocalyptic number.

202159 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

202159 is a deficient number, since it is larger than the sum of its proper divisors (7001).

202159 is an equidigital number, since it uses as much as digits as its factorization.

202159 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7000.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 202159 is about 449.6209514691. The cubic root of 202159 is about 58.6900338790.

It can be divided in two parts, 2021 and 59, that added together give a triangular number (2080 = T₆₄).

The spelling of 202159 in words is "two hundred two thousand, one hundred fifty-nine".