100142242044 has 48 divisors (see below), whose sum is σ = 251666690688. Its totient is φ = 30809665728.

The previous prime is 100142242033. The next prime is 100142242049. The reversal of 100142242044 is 440242241001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100142242049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1684759 + ... + 1743185.

It is an arithmetic number, because the mean of its divisors is an integer number (5243056056).

Almost surely, 2^100142242044 is an apocalyptic number.

It is an amenable number.

100142242044 is an abundant number, since it is smaller than the sum of its proper divisors (151524448644).

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

100142242044 is a wasteful number, since it uses less digits than its factorization.

100142242044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69434 (or 69432 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 100142242044 its reverse (440242241001), we get a palindrome (540384483045).

The spelling of 100142242044 in words is "one hundred billion, one hundred forty-two million, two hundred forty-two thousand, forty-four".