100142168 has 16 divisors (see below), whose sum is σ = 214590480. Its totient is φ = 42918048.

The previous prime is 100142149. The next prime is 100142197. The reversal of 100142168 is 861241001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 894071 + ... + 894182.

It is an arithmetic number, because the mean of its divisors is an integer number (13411905).

Almost surely, 2^100142168 is an apocalyptic number.

It is an amenable number.

100142168 is an abundant number, since it is smaller than the sum of its proper divisors (114448312).

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

100142168 is a wasteful number, since it uses less digits than its factorization.

100142168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1788266 (or 1788262 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 100142168 is about 10007.1058753268. The cubic root of 100142168 is about 464.3787410055.

Adding to 100142168 its reverse (861241001), we get a palindrome (961383169).

The spelling of 100142168 in words is "one hundred million, one hundred forty-two thousand, one hundred sixty-eight".