4533645 has 32 divisors (see below), whose sum is σ = 8024832. Its totient is φ = 2173952.

The previous prime is 4533643. The next prime is 4533649. The reversal of 4533645 is 5463354.

It is a cyclic number.

It is not a de Polignac number, because 4533645 - 2¹ = 4533643 is a prime.

It is a super-3 number, since 3×4533645³ (a number of 21 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4533643) 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 31 ways as a sum of consecutive naturals, for example, 5479 + ... + 6251.

It is an arithmetic number, because the mean of its divisors is an integer number (250776).

Almost surely, 2^4533645 is an apocalyptic number.

It is an amenable number.

4533645 is a deficient number, since it is larger than the sum of its proper divisors (3491187).

4533645 is a wasteful number, since it uses less digits than its factorization.

4533645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821.

The product of its digits is 21600, while the sum is 30.

The square root of 4533645 is about 2129.2357783956. The cubic root of 4533645 is about 165.5067980645.

Adding to 4533645 its reverse (5463354), we get a palindrome (9996999).

The spelling of 4533645 in words is "four million, five hundred thirty-three thousand, six hundred forty-five".