Adding to 65142 its reverse (24156), we get a palindrome (89298).
It is a happy number.
It is a plaindrome in base 15.
It is a nialpdrome in base 16.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 65142.
265142 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 65142, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89856).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
65142 is a wasteful number, since it uses less digits than its factorization.
65142 is an evil number, because the sum of its binary digits is even.
The square root of 65142 is about 255.2293086618. The cubic root of 65142 is about 40.2365154217.
The spelling of 65142 in words is "sixty-five thousand, one hundred forty-two".