445716111 has 4 divisors (see below), whose sum is σ = 594288152. Its totient is φ = 297144072.

The previous prime is 445716107. The next prime is 445716127. The reversal of 445716111 is 111617544.

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

It is not a de Polignac number, because 445716111 - 2² = 445716107 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 (445716101) 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, 74286016 + ... + 74286021.

It is an arithmetic number, because the mean of its divisors is an integer number (148572038).

Almost surely, 2^445716111 is an apocalyptic number.

445716111 is a deficient number, since it is larger than the sum of its proper divisors (148572041).

445716111 is a wasteful number, since it uses less digits than its factorization.

445716111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148572040.

The product of its digits is 3360, while the sum is 30.

The square root of 445716111 is about 21111.9897451661. The cubic root of 445716111 is about 763.8699826948.

The spelling of 445716111 in words is "four hundred forty-five million, seven hundred sixteen thousand, one hundred eleven".