It is a happy number.
It is a Jordan-Polya number, since it can be written as 5! ⋅ (2!)11.
It is a tau number, because it is divible by the number of its divisors (60).
It is a nialpdrome in base 2, base 4 and base 8.
It is a zygodrome in base 2 and base 4.
It is a self number, because there is not a number n which added to its sum of digits gives 245760.
It is a congruent number.
It is an unprimeable number.
In principle, a polygon with 245760 sides can be constructed with ruler and compass.
245760 is a Friedman number, since it can be written as (6*5*4^7)/(2+0), using all its digits and the basic arithmetic operations.
2245760 is an apocalyptic number.
245760 is a gapful number since it is divisible by the number (20) 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 245760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (393204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245760 is an frugal number, since it uses more digits than its factorization.
245760 is an evil number, because the sum of its binary digits is even.
The square root of 245760 is about 495.7418683145. The cubic root of 245760 is about 62.6378822587.
The spelling of 245760 in words is "two hundred forty-five thousand, seven hundred sixty".