108100155 has 8 divisors (see below), whose sum is σ = 172960272. Its totient is φ = 57653408.

The previous prime is 108100129. The next prime is 108100169. The reversal of 108100155 is 551001801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 108100155 - 2⁸ = 108099899 is a prime.

It is a super-2 number, since 2×108100155² = 23371287022048050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3603324 + ... + 3603353.

It is an arithmetic number, because the mean of its divisors is an integer number (21620034).

Almost surely, 2^108100155 is an apocalyptic number.

108100155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

108100155 is a deficient number, since it is larger than the sum of its proper divisors (64860117).

108100155 is an equidigital number, since it uses as much as digits as its factorization.

108100155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7206685.

The product of its (nonzero) digits is 200, while the sum is 21.

The square root of 108100155 is about 10397.1224384442. The cubic root of 108100155 is about 476.3674795088.

Adding to 108100155 its reverse (551001801), we get a palindrome (659101956).

The spelling of 108100155 in words is "one hundred eight million, one hundred thousand, one hundred fifty-five".