450243 has 12 divisors (see below), whose sum is σ = 684840. Its totient is φ = 284256.

The previous prime is 450239. The next prime is 450257. The reversal of 450243 is 342054.

It is a happy number.

It is not a de Polignac number, because 450243 - 2² = 450239 is a prime.

It is a nialpdrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (450223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1146 + ... + 1487.

It is an arithmetic number, because the mean of its divisors is an integer number (57070).

2⁴⁵⁰²⁴³ is an apocalyptic number.

450243 is a deficient number, since it is larger than the sum of its proper divisors (234597).

450243 is a wasteful number, since it uses less digits than its factorization.

450243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2658 (or 2655 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 450243 is about 671.0014903113. The cubic root of 450243 is about 76.6447343270.

Adding to 450243 its reverse (342054), we get a palindrome (792297).

The spelling of 450243 in words is "four hundred fifty thousand, two hundred forty-three".