445780855 has 8 divisors (see below), whose sum is σ = 576086112. Its totient is φ = 329191968.

The previous prime is 445780849. The next prime is 445780883. The reversal of 445780855 is 558087544.

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 445780855 - 2¹⁵ = 445748087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3429019 + ... + 3429148.

It is an arithmetic number, because the mean of its divisors is an integer number (72010764).

Almost surely, 2^445780855 is an apocalyptic number.

445780855 is a deficient number, since it is larger than the sum of its proper divisors (130305257).

445780855 is a wasteful number, since it uses less digits than its factorization.

445780855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6858185.

The product of its (nonzero) digits is 896000, while the sum is 46.

The square root of 445780855 is about 21113.5230361965. The cubic root of 445780855 is about 763.9069670760.

The spelling of 445780855 in words is "four hundred forty-five million, seven hundred eighty thousand, eight hundred fifty-five".