100142233642 has 16 divisors (see below), whose sum is σ = 173508469632. Its totient is φ = 42841597120.

The previous prime is 100142233619. The next prime is 100142233643. The reversal of 100142233642 is 246332241001.

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 100142233642.

It is not an unprimeable number, because it can be changed into a prime (100142233643) 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, 133879618 + ... + 133880365.

It is an arithmetic number, because the mean of its divisors is an integer number (10844279352).

Almost surely, 2^100142233642 is an apocalyptic number.

100142233642 is a deficient number, since it is larger than the sum of its proper divisors (73366235990).

100142233642 is a wasteful number, since it uses less digits than its factorization.

100142233642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267760013.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 100142233642 its reverse (246332241001), we get a palindrome (346474474643).

The spelling of 100142233642 in words is "one hundred billion, one hundred forty-two million, two hundred thirty-three thousand, six hundred forty-two".