450281 has 8 divisors (see below), whose sum is σ = 510720. Its totient is φ = 393552.

The previous prime is 450277. The next prime is 450287. The reversal of 450281 is 182054.

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 450281 - 2² = 450277 is a prime.

It is a super-2 number, since 2×450281² = 405505957922, which contains 22 as substring.

It is a Curzon number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 450281.

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 665 + ... + 1158.

It is an arithmetic number, because the mean of its divisors is an integer number (63840).

2⁴⁵⁰²⁸¹ is an apocalyptic number.

It is an amenable number.

450281 is a deficient number, since it is larger than the sum of its proper divisors (60439).

450281 is a wasteful number, since it uses less digits than its factorization.

450281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1855.

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

The square root of 450281 is about 671.0298055973. The cubic root of 450281 is about 76.6468905093.

The spelling of 450281 in words is "four hundred fifty thousand, two hundred eighty-one".