45215 is nontrivially palindromic in base 13.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a Duffinian number.
It is a plaindrome in base 14.
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 45215.
It is an unprimeable number.
245215 is an apocalyptic number.
45215 is an equidigital number, since it uses as much as digits as its factorization.
45215 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9048.
The square root of 45215 is about 212.6381903610. The cubic root of 45215 is about 35.6254898876.
Adding to 45215 its reverse (51254), we get a palindrome (96469).
The spelling of 45215 in words is "forty-five thousand, two hundred fifteen".