450249 has 4 divisors (see below), whose sum is σ = 600336. Its totient is φ = 300164.

The previous prime is 450239. The next prime is 450257. The reversal of 450249 is 942054.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 450249 - 2⁵ = 450217 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (450209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75039 + ... + 75044.

It is an arithmetic number, because the mean of its divisors is an integer number (150084).

2⁴⁵⁰²⁴⁹ is an apocalyptic number.

It is an amenable number.

450249 is a deficient number, since it is larger than the sum of its proper divisors (150087).

450249 is a wasteful number, since it uses less digits than its factorization.

450249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150086.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 450249 is about 671.0059612254. The cubic root of 450249 is about 76.6450747849.

The spelling of 450249 in words is "four hundred fifty thousand, two hundred forty-nine".