442158147522 has 96 divisors (see below), whose sum is σ = 1222758456192. Its totient is φ = 116613126144.

The previous prime is 442158147503. The next prime is 442158147527. The reversal of 442158147522 is 225741851244.

442158147522 is a `hidden beast` number, since 4 + 4 + 2 + 1 + 5 + 81 + 47 + 522 = 666.

It is not an unprimeable number, because it can be changed into a prime (442158147527) 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 47 ways as a sum of consecutive naturals, for example, 4954623 + ... + 5043074.

It is an arithmetic number, because the mean of its divisors is an integer number (12737067252).

Almost surely, 2^442158147522 is an apocalyptic number.

442158147522 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

442158147522 is an abundant number, since it is smaller than the sum of its proper divisors (780600308670).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442158147522 is a wasteful number, since it uses less digits than its factorization.

442158147522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9997734 (or 9997722 counting only the distinct ones).

The product of its digits is 716800, while the sum is 45.

Adding to 442158147522 its reverse (225741851244), we get a palindrome (667899998766).

The spelling of 442158147522 in words is "four hundred forty-two billion, one hundred fifty-eight million, one hundred forty-seven thousand, five hundred twenty-two".