450403243 has 4 divisors (see below), whose sum is σ = 450696688. Its totient is φ = 450109800.

The previous prime is 450403237. The next prime is 450403271. The reversal of 450403243 is 342304054.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342304054 = 2 ⋅171152027.

It is a cyclic number.

It is not a de Polignac number, because 450403243 - 2¹³ = 450395051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (450443243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144408 + ... + 147493.

It is an arithmetic number, because the mean of its divisors is an integer number (112674172).

Almost surely, 2^450403243 is an apocalyptic number.

450403243 is a deficient number, since it is larger than the sum of its proper divisors (293445).

450403243 is a wasteful number, since it uses less digits than its factorization.

450403243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293444.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 450403243 is about 21222.7058359673. The cubic root of 450403243 is about 766.5382595490.

Adding to 450403243 its reverse (342304054), we get a palindrome (792707297).

The spelling of 450403243 in words is "four hundred fifty million, four hundred three thousand, two hundred forty-three".