445765685215 has 16 divisors (see below), whose sum is σ = 569859405408. Its totient is φ = 333576216576.

The previous prime is 445765685213. The next prime is 445765685219. The reversal of 445765685215 is 512586567544.

It is a cyclic number.

It is not a de Polignac number, because 445765685215 - 2¹ = 445765685213 is a prime.

It is a super-2 number, since 2×445765685215² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 445765685215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (445765685213) 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, 16072962 + ... + 16100671.

It is an arithmetic number, because the mean of its divisors is an integer number (35616212838).

Almost surely, 2^445765685215 is an apocalyptic number.

445765685215 is a deficient number, since it is larger than the sum of its proper divisors (124093720193).

445765685215 is a wasteful number, since it uses less digits than its factorization.

445765685215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32173818.

The product of its digits is 40320000, while the sum is 58.

The spelling of 445765685215 in words is "four hundred forty-five billion, seven hundred sixty-five million, six hundred eighty-five thousand, two hundred fifteen".