442315513245 has 32 divisors (see below), whose sum is σ = 745048442880. Its totient is φ = 223456933440.

The previous prime is 442315513243. The next prime is 442315513307. The reversal of 442315513245 is 542315513244.

It is not a de Polignac number, because 442315513245 - 2¹ = 442315513243 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (442315513243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2208840 + ... + 2400750.

It is an arithmetic number, because the mean of its divisors is an integer number (23282763840).

Almost surely, 2^442315513245 is an apocalyptic number.

It is an amenable number.

442315513245 is a deficient number, since it is larger than the sum of its proper divisors (302732929635).

442315513245 is a wasteful number, since it uses less digits than its factorization.

442315513245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200025.

The product of its digits is 288000, while the sum is 39.

Subtracting 442315513245 from its reverse (542315513244), we obtain a palindrome (99999999999).

The spelling of 442315513245 in words is "four hundred forty-two billion, three hundred fifteen million, five hundred thirteen thousand, two hundred forty-five".