454809 has 4 divisors (see below), whose sum is σ = 606416. Its totient is φ = 303204.

The previous prime is 454799. The next prime is 454823. The reversal of 454809 is 908454.

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 not a de Polignac number, because 454809 - 2⁵ = 454777 is a prime.

It is a super-3 number, since 3×454809³ = 282233398393791387, which contains 333 as substring.

It is a D-number.

It is a Duffinian number.

It is a nialpdrome in base 14.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 454809.

It is not an unprimeable number, because it can be changed into a prime (454849) 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, 75799 + ... + 75804.

It is an arithmetic number, because the mean of its divisors is an integer number (151604).

2⁴⁵⁴⁸⁰⁹ is an apocalyptic number.

It is an amenable number.

454809 is a deficient number, since it is larger than the sum of its proper divisors (151607).

454809 is a wasteful number, since it uses less digits than its factorization.

454809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151606.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 454809 is about 674.3952846810. The cubic root of 454809 is about 76.9029530179.

The spelling of 454809 in words is "four hundred fifty-four thousand, eight hundred nine".