165234 has 8 divisors (see below), whose sum is σ = 330480. Its totient is φ = 55076.

The previous prime is 165233. The next prime is 165247. The reversal of 165234 is 432561.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

165234 is an admirable number.

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 165234.

It is not an unprimeable number, because it can be changed into a prime (165233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13764 + ... + 13775.

It is an arithmetic number, because the mean of its divisors is an integer number (41310).

2¹⁶⁵²³⁴ is an apocalyptic number.

165234 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

165234 is a wasteful number, since it uses less digits than its factorization.

165234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27544.

The product of its digits is 720, while the sum is 21.

The square root of 165234 is about 406.4898522719. The cubic root of 165234 is about 54.8739814534.

Adding to 165234 its reverse (432561), we get a palindrome (597795).

The spelling of 165234 in words is "one hundred sixty-five thousand, two hundred thirty-four".