455903 has 4 divisors (see below), whose sum is σ = 521040. Its totient is φ = 390768.

The previous prime is 455899. The next prime is 455921. The reversal of 455903 is 309554.

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

It is not a de Polignac number, because 455903 - 2² = 455899 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455933) 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, 32558 + ... + 32571.

It is an arithmetic number, because the mean of its divisors is an integer number (130260).

2⁴⁵⁵⁹⁰³ is an apocalyptic number.

455903 is a deficient number, since it is larger than the sum of its proper divisors (65137).

455903 is an equidigital number, since it uses as much as digits as its factorization.

455903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65136.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 455903 is about 675.2058945240. The cubic root of 455903 is about 76.9645645688.

The spelling of 455903 in words is "four hundred fifty-five thousand, nine hundred three".