4442545 has 8 divisors (see below), whose sum is σ = 5455296. Its totient is φ = 3471216.

The previous prime is 4442531. The next prime is 4442549. The reversal of 4442545 is 5452444.

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 4442545 - 2¹¹ = 4440497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4442549) 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 7 ways as a sum of consecutive naturals, for example, 10117 + ... + 10546.

It is an arithmetic number, because the mean of its divisors is an integer number (681912).

Almost surely, 2^4442545 is an apocalyptic number.

It is an amenable number.

4442545 is a deficient number, since it is larger than the sum of its proper divisors (1012751).

4442545 is a wasteful number, since it uses less digits than its factorization.

4442545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20711.

The product of its digits is 12800, while the sum is 28.

The square root of 4442545 is about 2107.7345658313. The cubic root of 4442545 is about 164.3907127871.

Adding to 4442545 its reverse (5452444), we get a palindrome (9894989).

The spelling of 4442545 in words is "four million, four hundred forty-two thousand, five hundred forty-five".