4545005 has 8 divisors (see below), whose sum is σ = 5470872. Its totient is φ = 3624768.

The previous prime is 4544959. The next prime is 4545011. The reversal of 4545005 is 5005454.

It can be written as a sum of positive squares in 4 ways, for example, as 1510441 + 3034564 = 1229^2 + 1742^2 .

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 4545005 - 2¹² = 4540909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 647 + ... + 3083.

It is an arithmetic number, because the mean of its divisors is an integer number (683859).

Almost surely, 2^4545005 is an apocalyptic number.

It is an amenable number.

4545005 is a deficient number, since it is larger than the sum of its proper divisors (925867).

4545005 is a wasteful number, since it uses less digits than its factorization.

4545005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2815.

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 4545005 is about 2131.9017331950. The cubic root of 4545005 is about 165.6449201150.

The spelling of 4545005 in words is "four million, five hundred forty-five thousand, five".