441445345 has 16 divisors (see below), whose sum is σ = 578727360. Its totient is φ = 320587200.

The previous prime is 441445343. The next prime is 441445387. The reversal of 441445345 is 543544144.

It is not a de Polignac number, because 441445345 - 2¹ = 441445343 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 441445345.

It is not an unprimeable number, because it can be changed into a prime (441445343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35215 + ... + 46075.

It is an arithmetic number, because the mean of its divisors is an integer number (36170460).

Almost surely, 2^441445345 is an apocalyptic number.

It is an amenable number.

441445345 is a deficient number, since it is larger than the sum of its proper divisors (137282015).

441445345 is a wasteful number, since it uses less digits than its factorization.

441445345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11616.

The product of its digits is 76800, while the sum is 34.

The square root of 441445345 is about 21010.6007767508. The cubic root of 441445345 is about 761.4223968128.

Adding to 441445345 its reverse (543544144), we get a palindrome (984989489).

The spelling of 441445345 in words is "four hundred forty-one million, four hundred forty-five thousand, three hundred forty-five".