Adding to 145225 its reverse (522541), we get a palindrome (667766).
145225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an Ulam number.
It is a Duffinian number.
145225 is a lucky number.
It is a congruent number.
It is an unprimeable number.
2145225 is an apocalyptic number.
It is an amenable number.
145225 is a wasteful number, since it uses less digits than its factorization.
145225 is an odious number, because the sum of its binary digits is odd.
The square root of 145225 is about 381.0839802458. The cubic root of 145225 is about 52.5630384120.
The spelling of 145225 in words is "one hundred forty-five thousand, two hundred twenty-five".