445545422215 has 8 divisors (see below), whose sum is σ = 543419335008. Its totient is φ = 350593118880.

The previous prime is 445545422213. The next prime is 445545422219. The reversal of 445545422215 is 512224545544.

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

It is not a de Polignac number, because 445545422215 - 2¹ = 445545422213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445545422213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 730402027 + ... + 730402636.

It is an arithmetic number, because the mean of its divisors is an integer number (67927416876).

Almost surely, 2^445545422215 is an apocalyptic number.

445545422215 is a deficient number, since it is larger than the sum of its proper divisors (97873912793).

445545422215 is a wasteful number, since it uses less digits than its factorization.

445545422215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1460804729.

The product of its digits is 1280000, while the sum is 43.

Adding to 445545422215 its reverse (512224545544), we get a palindrome (957769967759).

The spelling of 445545422215 in words is "four hundred forty-five billion, five hundred forty-five million, four hundred twenty-two thousand, two hundred fifteen".