454549 has 4 divisors (see below), whose sum is σ = 474336. Its totient is φ = 434764.

The previous prime is 454547. The next prime is 454577. The reversal of 454549 is 945454.

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 454549 - 2¹ = 454547 is a prime.

It is a super-2 number, since 2×454549² = 413229586802, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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

It is a Duffinian number.

454549 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 454549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (454541) 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 3 ways as a sum of consecutive naturals, for example, 9859 + ... + 9904.

It is an arithmetic number, because the mean of its divisors is an integer number (118584).

2⁴⁵⁴⁵⁴⁹ is an apocalyptic number.

It is an amenable number.

454549 is a deficient number, since it is larger than the sum of its proper divisors (19787).

454549 is a wasteful number, since it uses less digits than its factorization.

454549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19786.

The product of its digits is 14400, while the sum is 31.

The square root of 454549 is about 674.2024918376. The cubic root of 454549 is about 76.8882958914. Note that the first 3 decimals are identical.

The spelling of 454549 in words is "four hundred fifty-four thousand, five hundred forty-nine".