4545666 has 16 divisors (see below), whose sum is σ = 10101600. Its totient is φ = 1515204.

The previous prime is 4545643. The next prime is 4545683. The reversal of 4545666 is 6665454.

It is a happy number.

It is a Curzon number.

It is a zygodrome in base 3.

It is a self number, because there is not a number n which added to its sum of digits gives 4545666.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42036 + ... + 42143.

It is an arithmetic number, because the mean of its divisors is an integer number (631350).

Almost surely, 2^4545666 is an apocalyptic number.

4545666 is an abundant number, since it is smaller than the sum of its proper divisors (5555934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4545666 is a wasteful number, since it uses less digits than its factorization.

4545666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84190 (or 84184 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 4545666 is about 2132.0567534660. The cubic root of 4545666 is about 165.6529498814.

The spelling of 4545666 in words is "four million, five hundred forty-five thousand, six hundred sixty-six".