450309215 has 8 divisors (see below), whose sum is σ = 568811760. Its totient is φ = 341286912.

The previous prime is 450309199. The next prime is 450309227. The reversal of 450309215 is 512903054.

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

It is a cyclic number.

It is not a de Polignac number, because 450309215 - 2⁴ = 450309199 is a prime.

It is a super-2 number, since 2×450309215² = 405556778227832450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2369954 + ... + 2370143.

It is an arithmetic number, because the mean of its divisors is an integer number (71101470).

Almost surely, 2^450309215 is an apocalyptic number.

450309215 is a deficient number, since it is larger than the sum of its proper divisors (118502545).

450309215 is a wasteful number, since it uses less digits than its factorization.

450309215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4740121.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 450309215 is about 21220.4904514481. The cubic root of 450309215 is about 766.4849139624.

It can be divided in two parts, 45030 and 9215, that added together give a palindrome (54245).

The spelling of 450309215 in words is "four hundred fifty million, three hundred nine thousand, two hundred fifteen".