162203 has 4 divisors (see below), whose sum is σ = 170760. Its totient is φ = 153648.

The previous prime is 162143. The next prime is 162209. The reversal of 162203 is 302261.

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 162203 - 2⁸ = 161947 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (162209) 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, 4250 + ... + 4287.

It is an arithmetic number, because the mean of its divisors is an integer number (42690).

2¹⁶²²⁰³ is an apocalyptic number.

162203 is a deficient number, since it is larger than the sum of its proper divisors (8557).

162203 is an equidigital number, since it uses as much as digits as its factorization.

162203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8556.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 162203 is about 402.7443357764. The cubic root of 162203 is about 54.5363783720.

Adding to 162203 its reverse (302261), we get a palindrome (464464).

The spelling of 162203 in words is "one hundred sixty-two thousand, two hundred three".