100650155 has 16 divisors (see below), whose sum is σ = 125254080. Its totient is φ = 77551488.

The previous prime is 100650133. The next prime is 100650157. The reversal of 100650155 is 551056001.

It is a cyclic number.

It is not a de Polignac number, because 100650155 - 2⁶ = 100650091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100650155.

It is not an unprimeable number, because it can be changed into a prime (100650157) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94154 + ... + 95216.

It is an arithmetic number, because the mean of its divisors is an integer number (7828380).

Almost surely, 2^100650155 is an apocalyptic number.

100650155 is a deficient number, since it is larger than the sum of its proper divisors (24603925).

100650155 is a wasteful number, since it uses less digits than its factorization.

100650155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1750.

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

The square root of 100650155 is about 10032.4550833781. The cubic root of 100650155 is about 465.1626285901.

The spelling of 100650155 in words is "one hundred million, six hundred fifty thousand, one hundred fifty-five".