454909 has 8 divisors (see below), whose sum is σ = 560000. Its totient is φ = 359856.

The previous prime is 454907. The next prime is 454919. The reversal of 454909 is 909454.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 454909 - 2¹ = 454907 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2409 + ... + 2590.

It is an arithmetic number, because the mean of its divisors is an integer number (70000).

2⁴⁵⁴⁹⁰⁹ is an apocalyptic number.

It is an amenable number.

454909 is a deficient number, since it is larger than the sum of its proper divisors (105091).

454909 is a wasteful number, since it uses less digits than its factorization.

454909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5019.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 454909 is about 674.4694211008. The cubic root of 454909 is about 76.9085888868.

It can be divided in two parts, 454 and 909, that multiplied together give a triangular number (412686 = T₉₀₈).

The spelling of 454909 in words is "four hundred fifty-four thousand, nine hundred nine".