445243115 has 4 divisors (see below), whose sum is σ = 534291744. Its totient is φ = 356194488.

The previous prime is 445243103. The next prime is 445243121. The reversal of 445243115 is 511342544.

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

It is a cyclic number.

It is not a de Polignac number, because 445243115 - 2⁸ = 445242859 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44524307 + ... + 44524316.

It is an arithmetic number, because the mean of its divisors is an integer number (133572936).

Almost surely, 2^445243115 is an apocalyptic number.

445243115 is a deficient number, since it is larger than the sum of its proper divisors (89048629).

445243115 is an equidigital number, since it uses as much as digits as its factorization.

445243115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89048628.

The product of its digits is 9600, while the sum is 29.

The square root of 445243115 is about 21100.7847010484. The cubic root of 445243115 is about 763.5996796029.

Adding to 445243115 its reverse (511342544), we get a palindrome (956585659).

The spelling of 445243115 in words is "four hundred forty-five million, two hundred forty-three thousand, one hundred fifteen".