454985 has 4 divisors (see below), whose sum is σ = 545988. Its totient is φ = 363984.

The previous prime is 454973. The next prime is 454991. The reversal of 454985 is 589454.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 71824 + 383161 = 268^2 + 619^2 .

It is a cyclic number.

It is not a de Polignac number, because 454985 - 2⁴ = 454969 is a prime.

It is a super-2 number, since 2×454985² = 414022700450, which contains 22 as substring.

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

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45494 + ... + 45503.

It is an arithmetic number, because the mean of its divisors is an integer number (136497).

2⁴⁵⁴⁹⁸⁵ is an apocalyptic number.

It is an amenable number.

454985 is a deficient number, since it is larger than the sum of its proper divisors (91003).

454985 is an equidigital number, since it uses as much as digits as its factorization.

454985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91002.

The product of its digits is 28800, while the sum is 35.

The square root of 454985 is about 674.5257593302. The cubic root of 454985 is about 76.9128715948.

The spelling of 454985 in words is "four hundred fifty-four thousand, nine hundred eighty-five".