100866142 has 16 divisors (see below), whose sum is σ = 163855440. Its totient is φ = 46291392.

The previous prime is 100866137. The next prime is 100866169. The reversal of 100866142 is 241668001.

It is a self number, because there is not a number n which added to its sum of digits gives 100866142.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6183 + ... + 15490.

It is an arithmetic number, because the mean of its divisors is an integer number (10240965).

Almost surely, 2^100866142 is an apocalyptic number.

100866142 is a deficient number, since it is larger than the sum of its proper divisors (62989298).

100866142 is a wasteful number, since it uses less digits than its factorization.

100866142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21867.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 100866142 is about 10043.2137286827. The cubic root of 100866142 is about 465.4951245181.

The spelling of 100866142 in words is "one hundred million, eight hundred sixty-six thousand, one hundred forty-two".