454309 has 4 divisors (see below), whose sum is σ = 478240. Its totient is φ = 430380.

The previous prime is 454303. The next prime is 454313. The reversal of 454309 is 903454.

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 454309 - 2⁵ = 454277 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454303) 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, 11937 + ... + 11974.

It is an arithmetic number, because the mean of its divisors is an integer number (119560).

2⁴⁵⁴³⁰⁹ is an apocalyptic number.

It is an amenable number.

454309 is a deficient number, since it is larger than the sum of its proper divisors (23931).

454309 is a wasteful number, since it uses less digits than its factorization.

454309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23930.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 454309 is about 674.0244802676. The cubic root of 454309 is about 76.8747612745.

The spelling of 454309 in words is "four hundred fifty-four thousand, three hundred nine".