4545803 has 4 divisors (see below), whose sum is σ = 4552608. Its totient is φ = 4539000.

The previous prime is 4545799. The next prime is 4545833. The reversal of 4545803 is 3085454.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3085454 = 2 ⋅1542727.

It is a cyclic number.

It is not a de Polignac number, because 4545803 - 2² = 4545799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4545833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2276 + ... + 3777.

It is an arithmetic number, because the mean of its divisors is an integer number (1138152).

Almost surely, 2^4545803 is an apocalyptic number.

4545803 is a deficient number, since it is larger than the sum of its proper divisors (6805).

4545803 is an equidigital number, since it uses as much as digits as its factorization.

4545803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6804.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 4545803 is about 2132.0888818246. The cubic root of 4545803 is about 165.6546140472.

The spelling of 4545803 in words is "four million, five hundred forty-five thousand, eight hundred three".