450812 has 12 divisors (see below), whose sum is σ = 807576. Its totient is φ = 220080.

The previous prime is 450811. The next prime is 450817. The reversal of 450812 is 218054.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1139 + ... + 1482.

It is an arithmetic number, because the mean of its divisors is an integer number (67298).

2⁴⁵⁰⁸¹² is an apocalyptic number.

It is an amenable number.

450812 is a deficient number, since it is larger than the sum of its proper divisors (356764).

450812 is a wasteful number, since it uses less digits than its factorization.

450812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2668 (or 2666 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 450812 is about 671.4253495363. The cubic root of 450812 is about 76.6770076368.

Adding to 450812 its reverse (218054), we get a palindrome (668866).

The spelling of 450812 in words is "four hundred fifty thousand, eight hundred twelve".