4805545 has 4 divisors (see below), whose sum is σ = 5766660. Its totient is φ = 3844432.

The previous prime is 4805539. The next prime is 4805557. The reversal of 4805545 is 5455084.

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 2808976 + 1996569 = 1676^2 + 1413^2 .

It is a cyclic number.

It is not a de Polignac number, because 4805545 - 2⁵ = 4805513 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

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, 480550 + ... + 480559.

It is an arithmetic number, because the mean of its divisors is an integer number (1441665).

Almost surely, 2^4805545 is an apocalyptic number.

It is an amenable number.

4805545 is a deficient number, since it is larger than the sum of its proper divisors (961115).

4805545 is an equidigital number, since it uses as much as digits as its factorization.

4805545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961114.

The product of its (nonzero) digits is 16000, while the sum is 31.

The square root of 4805545 is about 2192.1553320876. The cubic root of 4805545 is about 168.7514640934.

The spelling of 4805545 in words is "four million, eight hundred five thousand, five hundred forty-five".