4534645 has 4 divisors (see below), whose sum is σ = 5441580. Its totient is φ = 3627712.

The previous prime is 4534637. The next prime is 4534667. The reversal of 4534645 is 5464354.

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 3530641 + 1004004 = 1879^2 + 1002^2 .

It is a cyclic number.

It is not a de Polignac number, because 4534645 - 2³ = 4534637 is a prime.

It is a d-powerful number, because it can be written as 4 + 5 + 3³ + 4⁹ + 6² + 4¹¹ + 5⁷ .

It is a congruent 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, 453460 + ... + 453469.

It is an arithmetic number, because the mean of its divisors is an integer number (1360395).

Almost surely, 2^4534645 is an apocalyptic number.

It is an amenable number.

4534645 is a deficient number, since it is larger than the sum of its proper divisors (906935).

4534645 is an equidigital number, since it uses as much as digits as its factorization.

4534645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 906934.

The product of its digits is 28800, while the sum is 31.

The square root of 4534645 is about 2129.4705914851. The cubic root of 4534645 is about 165.5189659508.

Adding to 4534645 its reverse (5464354), we get a palindrome (9998999).

The spelling of 4534645 in words is "four million, five hundred thirty-four thousand, six hundred forty-five".