444304545 has 16 divisors (see below), whose sum is σ = 712802112. Its totient is φ = 236324160.

The previous prime is 444304517. The next prime is 444304591. The reversal of 444304545 is 545403444.

It is a happy number.

It is not a de Polignac number, because 444304545 - 2⁹ = 444304033 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34111 + ... + 45300.

It is an arithmetic number, because the mean of its divisors is an integer number (44550132).

Almost surely, 2^444304545 is an apocalyptic number.

It is an amenable number.

444304545 is a deficient number, since it is larger than the sum of its proper divisors (268497567).

444304545 is a wasteful number, since it uses less digits than its factorization.

444304545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79792.

The product of its (nonzero) digits is 76800, while the sum is 33.

The square root of 444304545 is about 21078.5327999840. The cubic root of 444304545 is about 763.0627475226.

Adding to 444304545 its reverse (545403444), we get a palindrome (989707989).

The spelling of 444304545 in words is "four hundred forty-four million, three hundred four thousand, five hundred forty-five".