Adding to 156240 its reverse (42651), we get a palindrome (198891).
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (120).
It is a nialpdrome in base 12.
It is a congruent number.
156240 is a Friedman number, since it can be written as 6510*24, using all its digits and the basic arithmetic operations.
2156240 is an apocalyptic number.
156240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 156240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309504).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
156240 is a wasteful number, since it uses less digits than its factorization.
156240 is an evil number, because the sum of its binary digits is even.
The square root of 156240 is about 395.2720582080. The cubic root of 156240 is about 53.8597181944.
The spelling of 156240 in words is "one hundred fifty-six thousand, two hundred forty".