100858173 has 16 divisors (see below), whose sum is σ = 145199040. Its totient is φ = 61905024.

The previous prime is 100858171. The next prime is 100858181. The reversal of 100858173 is 371858001.

It is not a de Polignac number, because 100858173 - 2¹ = 100858171 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100858171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12790 + ... + 19112.

It is an arithmetic number, because the mean of its divisors is an integer number (9074940).

Almost surely, 2^100858173 is an apocalyptic number.

100858173 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

100858173 is a deficient number, since it is larger than the sum of its proper divisors (44340867).

100858173 is a wasteful number, since it uses less digits than its factorization.

100858173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6748.

The product of its (nonzero) digits is 6720, while the sum is 33.

The square root of 100858173 is about 10042.8169852885. The cubic root of 100858173 is about 465.4828652727.

The spelling of 100858173 in words is "one hundred million, eight hundred fifty-eight thousand, one hundred seventy-three".