442245342155 has 32 divisors (see below), whose sum is σ = 557566813440. Its totient is φ = 336345523200.

The previous prime is 442245342139. The next prime is 442245342191. The reversal of 442245342155 is 551243542244.

It is not a de Polignac number, because 442245342155 - 2⁴ = 442245342139 is a prime.

It is an unprimeable number.

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, 5183381 + ... + 5268009.

It is an arithmetic number, because the mean of its divisors is an integer number (17423962920).

Almost surely, 2^442245342155 is an apocalyptic number.

442245342155 is a deficient number, since it is larger than the sum of its proper divisors (115321471285).

442245342155 is a wasteful number, since it uses less digits than its factorization.

442245342155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85319.

The product of its digits is 768000, while the sum is 41.

Adding to 442245342155 its reverse (551243542244), we get a palindrome (993488884399).

The spelling of 442245342155 in words is "four hundred forty-two billion, two hundred forty-five million, three hundred forty-two thousand, one hundred fifty-five".