442445101 has 4 divisors (see below), whose sum is σ = 505651552. Its totient is φ = 379238652.

The previous prime is 442445027. The next prime is 442445161. The reversal of 442445101 is 101544244.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 442445101 - 2⁹ = 442444589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442445161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31603215 + ... + 31603228.

It is an arithmetic number, because the mean of its divisors is an integer number (126412888).

Almost surely, 2^442445101 is an apocalyptic number.

It is an amenable number.

442445101 is a deficient number, since it is larger than the sum of its proper divisors (63206451).

442445101 is an equidigital number, since it uses as much as digits as its factorization.

442445101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63206450.

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 442445101 is about 21034.3790257759. The cubic root of 442445101 is about 761.9967696650.

Adding to 442445101 its reverse (101544244), we get a palindrome (543989345).

The spelling of 442445101 in words is "four hundred forty-two million, four hundred forty-five thousand, one hundred one".