445501163 has 4 divisors (see below), whose sum is σ = 445769760. Its totient is φ = 445232568.

The previous prime is 445501139. The next prime is 445501171. The reversal of 445501163 is 361105544.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-445501163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (445501183) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131795 + ... + 135132.

It is an arithmetic number, because the mean of its divisors is an integer number (111442440).

Almost surely, 2^445501163 is an apocalyptic number.

445501163 is a deficient number, since it is larger than the sum of its proper divisors (268597).

445501163 is a wasteful number, since it uses less digits than its factorization.

445501163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268596.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 445501163 is about 21106.8984694578. The cubic root of 445501163 is about 763.7471700478.

The spelling of 445501163 in words is "four hundred forty-five million, five hundred one thousand, one hundred sixty-three".