100172151 has 12 divisors (see below), whose sum is σ = 144934920. Its totient is φ = 66669840.

The previous prime is 100172141. The next prime is 100172183. The reversal of 100172151 is 151271001.

It is a happy number.

It is not a de Polignac number, because 100172151 - 2¹⁵ = 100139383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100172131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3420 + ... + 14561.

It is an arithmetic number, because the mean of its divisors is an integer number (12077910).

Almost surely, 2^100172151 is an apocalyptic number.

100172151 is a deficient number, since it is larger than the sum of its proper divisors (44762769).

100172151 is a wasteful number, since it uses less digits than its factorization.

100172151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18606 (or 18603 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 18.

The square root of 100172151 is about 10008.6038486894. The cubic root of 100172151 is about 464.4250820515.

The spelling of 100172151 in words is "one hundred million, one hundred seventy-two thousand, one hundred fifty-one".