445350444505 has 8 divisors (see below), whose sum is σ = 535379999112. Its totient is φ = 355640711808.

The previous prime is 445350444449. The next prime is 445350444527. The reversal of 445350444505 is 505444053544.

It can be written as a sum of positive squares in 4 ways, for example, as 1777128336 + 443573316169 = 42156^2 + 666013^2 .

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 445350444505 - 2¹⁹ = 445349920217 is a prime.

It is a Duffinian 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, 79952412 + ... + 79957981.

It is an arithmetic number, because the mean of its divisors is an integer number (66922499889).

Almost surely, 2^445350444505 is an apocalyptic number.

It is an amenable number.

445350444505 is a deficient number, since it is larger than the sum of its proper divisors (90029554607).

445350444505 is a wasteful number, since it uses less digits than its factorization.

445350444505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159910955.

The product of its (nonzero) digits is 1920000, while the sum is 43.

The spelling of 445350444505 in words is "four hundred forty-five billion, three hundred fifty million, four hundred forty-four thousand, five hundred five".