4404144545 has 8 divisors (see below), whose sum is σ = 5285355624. Its totient is φ = 3523060864.

The previous prime is 4404144529. The next prime is 4404144583. The reversal of 4404144545 is 5454414044.

It can be written as a sum of positive squares in 4 ways, for example, as 1218219409 + 3185925136 = 34903^2 + 56444^2 .

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 4404144545 - 2⁴ = 4404144529 is a prime.

It is a Duffinian 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, 79787 + ... + 123183.

It is an arithmetic number, because the mean of its divisors is an integer number (660669453).

Almost surely, 2^4404144545 is an apocalyptic number.

It is an amenable number.

4404144545 is a deficient number, since it is larger than the sum of its proper divisors (881211079).

4404144545 is a wasteful number, since it uses less digits than its factorization.

4404144545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63699.

The product of its (nonzero) digits is 102400, while the sum is 35.

The square root of 4404144545 is about 66363.7291372328. The cubic root of 4404144545 is about 1639.1568818444.

Adding to 4404144545 its reverse (5454414044), we get a palindrome (9858558589).

The spelling of 4404144545 in words is "four billion, four hundred four million, one hundred forty-four thousand, five hundred forty-five".