444543545 has 8 divisors (see below), whose sum is σ = 537290880. Its totient is φ = 353075760.

The previous prime is 444543499. The next prime is 444543553. The reversal of 444543545 is 545345444.

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

It is not a de Polignac number, because 444543545 - 2⁶ = 444543481 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 444543499 and 444543508.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 319121 + ... + 320510.

It is an arithmetic number, because the mean of its divisors is an integer number (67161360).

Almost surely, 2^444543545 is an apocalyptic number.

It is an amenable number.

444543545 is a deficient number, since it is larger than the sum of its proper divisors (92747335).

444543545 is a wasteful number, since it uses less digits than its factorization.

444543545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639775.

The product of its digits is 384000, while the sum is 38.

The square root of 444543545 is about 21084.2013128314. The cubic root of 444543545 is about 763.1995450623.

Adding to 444543545 its reverse (545345444), we get a palindrome (989888989).

The spelling of 444543545 in words is "four hundred forty-four million, five hundred forty-three thousand, five hundred forty-five".