450285 has 16 divisors (see below), whose sum is σ = 786240. Its totient is φ = 218240.

The previous prime is 450277. The next prime is 450287. The reversal of 450285 is 582054.

It is not a de Polignac number, because 450285 - 2³ = 450277 is a prime.

450285 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1200 + ... + 1529.

It is an arithmetic number, because the mean of its divisors is an integer number (49140).

2⁴⁵⁰²⁸⁵ is an apocalyptic number.

It is an amenable number.

450285 is a deficient number, since it is larger than the sum of its proper divisors (335955).

450285 is a wasteful number, since it uses less digits than its factorization.

450285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2748.

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 450285 is about 671.0327860843. The cubic root of 450285 is about 76.6471174688.

Subtracting 450285 from its reverse (582054), we obtain a square (131769 = 363²).

The spelling of 450285 in words is "four hundred fifty thousand, two hundred eighty-five".