445520500345 has 8 divisors (see below), whose sum is σ = 535971264264. Its totient is φ = 355518624384.

The previous prime is 445520500319. The next prime is 445520500349. The reversal of 445520500345 is 543005025544.

It can be written as a sum of positive squares in 4 ways, for example, as 3891139641 + 441629360704 = 62379^2 + 664552^2 .

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 445520500345 - 2²¹ = 445518403193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445520500349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112219804 + ... + 112223773.

It is an arithmetic number, because the mean of its divisors is an integer number (66996408033).

Almost surely, 2^445520500345 is an apocalyptic number.

It is an amenable number.

445520500345 is a deficient number, since it is larger than the sum of its proper divisors (90450763919).

445520500345 is a wasteful number, since it uses less digits than its factorization.

445520500345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224443979.

The product of its (nonzero) digits is 240000, while the sum is 37.

Adding to 445520500345 its reverse (543005025544), we get a palindrome (988525525889).

The spelling of 445520500345 in words is "four hundred forty-five billion, five hundred twenty million, five hundred thousand, three hundred forty-five".