442155142203 has 8 divisors (see below), whose sum is σ = 590131507728. Its totient is φ = 294474435744.

The previous prime is 442155142147. The next prime is 442155142229. The reversal of 442155142203 is 302241551244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 442155142203 - 2⁶ = 442155142139 is a prime.

It is not an unprimeable number, because it can be changed into a prime (442155142603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73911276 + ... + 73917257.

It is an arithmetic number, because the mean of its divisors is an integer number (73766438466).

Almost surely, 2^442155142203 is an apocalyptic number.

442155142203 is a deficient number, since it is larger than the sum of its proper divisors (147976365525).

442155142203 is a wasteful number, since it uses less digits than its factorization.

442155142203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147829533.

The product of its (nonzero) digits is 38400, while the sum is 33.

Adding to 442155142203 its reverse (302241551244), we get a palindrome (744396693447).

The spelling of 442155142203 in words is "four hundred forty-two billion, one hundred fifty-five million, one hundred forty-two thousand, two hundred three".