100002142 has 8 divisors (see below), whose sum is σ = 150242832. Its totient is φ = 49921200.

The previous prime is 100002139. The next prime is 100002163. The reversal of 100002142 is 241200001.

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

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, 38359 + ... + 40882.

It is an arithmetic number, because the mean of its divisors is an integer number (18780354).

Almost surely, 2^100002142 is an apocalyptic number.

100002142 is a deficient number, since it is larger than the sum of its proper divisors (50240690).

100002142 is an equidigital number, since it uses as much as digits as its factorization.

100002142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79874.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 100002142 is about 10000.1070994265. The cubic root of 100002142 is about 464.1621974320.

Adding to 100002142 its reverse (241200001), we get a palindrome (341202143).

The spelling of 100002142 in words is "one hundred million, two thousand, one hundred forty-two".