104389155 has 56 divisors (see below), whose sum is σ = 202353648. Its totient is φ = 51368256.

The previous prime is 104389147. The next prime is 104389189. The reversal of 104389155 is 551983401.

It is not a de Polignac number, because 104389155 - 2³ = 104389147 is a prime.

It is a super-2 number, since 2×104389155² = 21794191363228050, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 46284 + ... + 48486.

It is an arithmetic number, because the mean of its divisors is an integer number (3613458).

Almost surely, 2^104389155 is an apocalyptic number.

104389155 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

104389155 is a deficient number, since it is larger than the sum of its proper divisors (97964493).

104389155 is an equidigital number, since it uses as much as digits as its factorization.

104389155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2239 (or 2224 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 104389155 is about 10217.1011054995. The cubic root of 104389155 is about 470.8527674821.

The spelling of 104389155 in words is "one hundred four million, three hundred eighty-nine thousand, one hundred fifty-five".