455215 has 8 divisors (see below), whose sum is σ = 550368. Its totient is φ = 361440.

The previous prime is 455201. The next prime is 455219. The reversal of 455215 is 512554.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 455215 - 2¹⁷ = 324143 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 654 + ... + 1156.

It is an arithmetic number, because the mean of its divisors is an integer number (68796).

2⁴⁵⁵²¹⁵ is an apocalyptic number.

455215 is a deficient number, since it is larger than the sum of its proper divisors (95153).

455215 is a wasteful number, since it uses less digits than its factorization.

455215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689.

The product of its digits is 1000, while the sum is 22.

The square root of 455215 is about 674.6962279426. The cubic root of 455215 is about 76.9258295169.

Adding to 455215 its reverse (512554), we get a palindrome (967769).

The spelling of 455215 in words is "four hundred fifty-five thousand, two hundred fifteen".