163242 has 16 divisors (see below), whose sum is σ = 362880. Its totient is φ = 54396.

The previous prime is 163223. The next prime is 163243. The reversal of 163242 is 242361.

It is a happy number.

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

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (163243) by changing a digit.

163242 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 7 ways as a sum of consecutive naturals, for example, 1458 + ... + 1565.

It is an arithmetic number, because the mean of its divisors is an integer number (22680).

2¹⁶³²⁴² is an apocalyptic number.

163242 is an abundant number, since it is smaller than the sum of its proper divisors (199638).

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

163242 is a wasteful number, since it uses less digits than its factorization.

163242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3034 (or 3028 counting only the distinct ones).

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

The square root of 163242 is about 404.0321769364. The cubic root of 163242 is about 54.6525758514.

The spelling of 163242 in words is "one hundred sixty-three thousand, two hundred forty-two".