4545205 has 16 divisors (see below), whose sum is σ = 6600960. Its totient is φ = 2932992.

The previous prime is 4545197. The next prime is 4545209. The reversal of 4545205 is 5025454.

It is a cyclic number.

It is not a de Polignac number, because 4545205 - 2³ = 4545197 is a prime.

4545205 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4545205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3225 + ... + 4414.

It is an arithmetic number, because the mean of its divisors is an integer number (412560).

Almost surely, 2^4545205 is an apocalyptic number.

It is an amenable number.

4545205 is a deficient number, since it is larger than the sum of its proper divisors (2055755).

4545205 is a wasteful number, since it uses less digits than its factorization.

4545205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7668.

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 4545205 is about 2131.9486391562. The cubic root of 4545205 is about 165.6473497785.

Subtracting 4545205 from its reverse (5025454), we obtain a square (480249 = 693²).

The spelling of 4545205 in words is "four million, five hundred forty-five thousand, two hundred five".