445817445 has 8 divisors (see below), whose sum is σ = 713307936. Its totient is φ = 237769296.

The previous prime is 445817443. The next prime is 445817453. The reversal of 445817445 is 544718544.

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

It is not a de Polignac number, because 445817445 - 2¹ = 445817443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 445817397 and 445817406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445817443) by changing a digit.

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, 14860567 + ... + 14860596.

It is an arithmetic number, because the mean of its divisors is an integer number (89163492).

Almost surely, 2^445817445 is an apocalyptic number.

It is an amenable number.

445817445 is a deficient number, since it is larger than the sum of its proper divisors (267490491).

445817445 is a wasteful number, since it uses less digits than its factorization.

445817445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29721171.

The product of its digits is 358400, while the sum is 42.

The square root of 445817445 is about 21114.3895246820. The cubic root of 445817445 is about 763.9278671744.

The spelling of 445817445 in words is "four hundred forty-five million, eight hundred seventeen thousand, four hundred forty-five".