45803 has 4 divisors (see below), whose sum is σ = 46248. Its totient is φ = 45360.

The previous prime is 45779. The next prime is 45817. The reversal of 45803 is 30854.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 30854 = 2 ⋅15427.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-45803 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (45823) 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, 23 + ... + 303.

It is an arithmetic number, because the mean of its divisors is an integer number (11562).

2⁴⁵⁸⁰³ is an apocalyptic number.

45803 is a deficient number, since it is larger than the sum of its proper divisors (445).

45803 is a wasteful number, since it uses less digits than its factorization.

45803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 45803 is about 214.0163545153. The cubic root of 45803 is about 35.7792562119.

It can be divided in two parts, 45 and 803, that added together give a palindrome (848).

The spelling of 45803 in words is "forty-five thousand, eight hundred three".