100550156 has 36 divisors (see below), whose sum is σ = 205405200. Its totient is φ = 42942816.

The previous prime is 100550141. The next prime is 100550161. The reversal of 100550156 is 651055001.

It is a super-2 number, since 2×100550156² = 20220667743248672, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69650 + ... + 71078.

It is an arithmetic number, because the mean of its divisors is an integer number (5705700).

Almost surely, 2^100550156 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100550156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102702600).

100550156 is an abundant number, since it is smaller than the sum of its proper divisors (104855044).

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

100550156 is a wasteful number, since it uses less digits than its factorization.

100550156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1806 (or 1797 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 100550156 is about 10027.4700697634. The cubic root of 100550156 is about 465.0085264556.

The spelling of 100550156 in words is "one hundred million, five hundred fifty thousand, one hundred fifty-six".