165242 has 32 divisors (see below), whose sum is σ = 328320. Its totient is φ = 60480.

The previous prime is 165233. The next prime is 165247. The reversal of 165242 is 242561.

It is a happy number.

165242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (165247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4448 + ... + 4484.

It is an arithmetic number, because the mean of its divisors is an integer number (10260).

2¹⁶⁵²⁴² is an apocalyptic number.

It is a pronic number, being equal to 406×407.

165242 is a deficient number, since it is larger than the sum of its proper divisors (163078).

165242 is a wasteful number, since it uses less digits than its factorization.

165242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86.

The product of its digits is 480, while the sum is 20.

The square root of 165242 is about 406.4996924968. The cubic root of 165242 is about 54.8748670354.

The spelling of 165242 in words is "one hundred sixty-five thousand, two hundred forty-two".