4545866 has 16 divisors (see below), whose sum is σ = 7597800. Its totient is φ = 2025408.

The previous prime is 4545859. The next prime is 4545869. The reversal of 4545866 is 6685454.

It can be written as a sum of positive squares in 4 ways, for example, as 4116841 + 429025 = 2029^2 + 655^2 .

It is not an unprimeable number, because it can be changed into a prime (4545869) 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 7 ways as a sum of consecutive naturals, for example, 2261 + ... + 3768.

Almost surely, 2^4545866 is an apocalyptic number.

4545866 is a deficient number, since it is larger than the sum of its proper divisors (3051934).

4545866 is a wasteful number, since it uses less digits than its factorization.

4545866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6073.

The product of its digits is 115200, while the sum is 38.

The square root of 4545866 is about 2132.1036560168. The cubic root of 4545866 is about 165.6553793093.

The spelling of 4545866 in words is "four million, five hundred forty-five thousand, eight hundred sixty-six".