2108154 has 8 divisors (see below), whose sum is σ = 4216320. Its totient is φ = 702716.

The previous prime is 2108137. The next prime is 2108159. The reversal of 2108154 is 4518012.

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

2108154 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 2108154.

It is not an unprimeable number, because it can be changed into a prime (2108159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 175674 + ... + 175685.

It is an arithmetic number, because the mean of its divisors is an integer number (527040).

2^2108154 is an apocalyptic number.

2108154 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2108154 is a wasteful number, since it uses less digits than its factorization.

2108154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351364.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 2108154 is about 1451.9483461887. The cubic root of 2108154 is about 128.2234459727.

The spelling of 2108154 in words is "two million, one hundred eight thousand, one hundred fifty-four".