100244442142 has 16 divisors (see below), whose sum is σ = 167156986752. Its totient is φ = 44774192160.

The previous prime is 100244442127. The next prime is 100244442191. The reversal of 100244442142 is 241244442001.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 100244442142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62185573 + ... + 62187184.

It is an arithmetic number, because the mean of its divisors is an integer number (10447311672).

Almost surely, 2^100244442142 is an apocalyptic number.

100244442142 is a deficient number, since it is larger than the sum of its proper divisors (66912544610).

100244442142 is a wasteful number, since it uses less digits than its factorization.

100244442142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124372803.

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 100244442142 its reverse (241244442001), we get a palindrome (341488884143).

The spelling of 100244442142 in words is "one hundred billion, two hundred forty-four million, four hundred forty-two thousand, one hundred forty-two".