442534245 has 16 divisors (see below), whose sum is σ = 727192320. Its totient is φ = 229639104.

The previous prime is 442534243. The next prime is 442534277. The reversal of 442534245 is 542435244.

It is not a de Polignac number, because 442534245 - 2¹ = 442534243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442534241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398125 + ... + 399234.

It is an arithmetic number, because the mean of its divisors is an integer number (45449520).

Almost surely, 2^442534245 is an apocalyptic number.

It is an amenable number.

442534245 is a deficient number, since it is larger than the sum of its proper divisors (284658075).

442534245 is a wasteful number, since it uses less digits than its factorization.

442534245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 797404.

The product of its digits is 76800, while the sum is 33.

The square root of 442534245 is about 21036.4979262234. The cubic root of 442534245 is about 762.0479420239.

Adding to 442534245 its reverse (542435244), we get a palindrome (984969489).

Subtracting 442534245 from its reverse (542435244), we obtain a palindrome (99900999).

The spelling of 442534245 in words is "four hundred forty-two million, five hundred thirty-four thousand, two hundred forty-five".