100218156 has 12 divisors (see below), whose sum is σ = 233842392. Its totient is φ = 33406048.

The previous prime is 100218149. The next prime is 100218161. The reversal of 100218156 is 651812001.

It is a tau number, because it is divible by the number of its divisors (12).

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, 4175745 + ... + 4175768.

It is an arithmetic number, because the mean of its divisors is an integer number (19486866).

Almost surely, 2^100218156 is an apocalyptic number.

It is an amenable number.

100218156 is an abundant number, since it is smaller than the sum of its proper divisors (133624236).

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

100218156 is a wasteful number, since it uses less digits than its factorization.

100218156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8351520 (or 8351518 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 24.

The square root of 100218156 is about 10010.9018574752. The cubic root of 100218156 is about 464.4961683621.

The spelling of 100218156 in words is "one hundred million, two hundred eighteen thousand, one hundred fifty-six".