200455 has 8 divisors (see below), whose sum is σ = 245952. Its totient is φ = 156768.

The previous prime is 200443. The next prime is 200461. The reversal of 200455 is 554002.

It is a happy number.

200455 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 200455 - 2¹³ = 192263 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192 + ... + 661.

It is an arithmetic number, because the mean of its divisors is an integer number (30744).

2²⁰⁰⁴⁵⁵ is an apocalyptic number.

200455 is a deficient number, since it is larger than the sum of its proper divisors (45497).

200455 is an equidigital number, since it uses as much as digits as its factorization.

200455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905.

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 200455 is about 447.7220119672. The cubic root of 200455 is about 58.5246687788.

Adding to 200455 its reverse (554002), we get a palindrome (754457).

The spelling of 200455 in words is "two hundred thousand, four hundred fifty-five".