442334545 has 16 divisors (see below), whose sum is σ = 536803200. Its totient is φ = 349882624.

The previous prime is 442334537. The next prime is 442334561. The reversal of 442334545 is 545433244.

It is a cyclic number.

It is not a de Polignac number, because 442334545 - 2³ = 442334537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 442334545.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 337782 + ... + 339088.

It is an arithmetic number, because the mean of its divisors is an integer number (33550200).

Almost surely, 2^442334545 is an apocalyptic number.

It is an amenable number.

442334545 is a deficient number, since it is larger than the sum of its proper divisors (94468655).

442334545 is a wasteful number, since it uses less digits than its factorization.

442334545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2024.

The product of its digits is 115200, while the sum is 34.

The square root of 442334545 is about 21031.7508781366. The cubic root of 442334545 is about 761.9332963796.

Adding to 442334545 its reverse (545433244), we get a palindrome (987767789).

The spelling of 442334545 in words is "four hundred forty-two million, three hundred thirty-four thousand, five hundred forty-five".