445655345 has 8 divisors (see below), whose sum is σ = 540300264. Its totient is φ = 352848384.

The previous prime is 445655299. The next prime is 445655351. The reversal of 445655345 is 543556544.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 26388769 + 419266576 = 5137^2 + 20476^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-445655345 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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 458954 + ... + 459923.

It is an arithmetic number, because the mean of its divisors is an integer number (67537533).

Almost surely, 2^445655345 is an apocalyptic number.

It is an amenable number.

445655345 is a deficient number, since it is larger than the sum of its proper divisors (94644919).

445655345 is an equidigital number, since it uses as much as digits as its factorization.

445655345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918979.

The product of its digits is 720000, while the sum is 41.

The square root of 445655345 is about 21110.5505612715. The cubic root of 445655345 is about 763.8352674491.

The spelling of 445655345 in words is "four hundred forty-five million, six hundred fifty-five thousand, three hundred forty-five".