442484245 has 16 divisors (see below), whose sum is σ = 642532608. Its totient is φ = 285569280.

The previous prime is 442484243. The next prime is 442484249. The reversal of 442484245 is 542484244.

It is not a de Polignac number, because 442484245 - 2¹ = 442484243 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 (442484243) 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, 371241 + ... + 372430.

It is an arithmetic number, because the mean of its divisors is an integer number (40158288).

Almost surely, 2^442484245 is an apocalyptic number.

It is an amenable number.

442484245 is a deficient number, since it is larger than the sum of its proper divisors (200048363).

442484245 is a wasteful number, since it uses less digits than its factorization.

442484245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743700.

The product of its digits is 163840, while the sum is 37.

The square root of 442484245 is about 21035.3094819164. The cubic root of 442484245 is about 762.0192407934.

Subtracting 442484245 from its reverse (542484244), we obtain a palindrome (99999999).

The spelling of 442484245 in words is "four hundred forty-two million, four hundred eighty-four thousand, two hundred forty-five".