243162 has 40 divisors (see below), whose sum is σ = 580800. Its totient is φ = 75816.

The previous prime is 243161. The next prime is 243167. The reversal of 243162 is 261342.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (243161) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3039 + ... + 3117.

It is an arithmetic number, because the mean of its divisors is an integer number (14520).

2²⁴³¹⁶² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243162, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (290400).

243162 is an abundant number, since it is smaller than the sum of its proper divisors (337638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243162 is a wasteful number, since it uses less digits than its factorization.

243162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112 (or 103 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 243162 is about 493.1145911449. The cubic root of 243162 is about 62.4163788366.

The spelling of 243162 in words is "two hundred forty-three thousand, one hundred sixty-two".