4552645 has 8 divisors (see below), whose sum is σ = 5538456. Its totient is φ = 3591936.

The previous prime is 4552637. The next prime is 4552649. The reversal of 4552645 is 5462554.

It can be written as a sum of positive squares in 4 ways, for example, as 889249 + 3663396 = 943^2 + 1914^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4552645 - 2³ = 4552637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4552649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5872 + ... + 6601.

It is an arithmetic number, because the mean of its divisors is an integer number (692307).

Almost surely, 2^4552645 is an apocalyptic number.

It is an amenable number.

4552645 is a deficient number, since it is larger than the sum of its proper divisors (985811).

4552645 is a wasteful number, since it uses less digits than its factorization.

4552645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12551.

The product of its digits is 24000, while the sum is 31.

The square root of 4552645 is about 2133.6928082552. The cubic root of 4552645 is about 165.7376826641.

Subtracting 4552645 from its reverse (5462554), we obtain a palindrome (909909).

The spelling of 4552645 in words is "four million, five hundred fifty-two thousand, six hundred forty-five".