18104148 has 60 divisors (see below), whose sum is σ = 48055392. Its totient is φ = 5942160.

The previous prime is 18104147. The next prime is 18104153. The reversal of 18104148 is 84140181.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18104143) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 22611 + ... + 23397.

Almost surely, 2^18104148 is an apocalyptic number.

18104148 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18104148, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24027696).

18104148 is an abundant number, since it is smaller than the sum of its proper divisors (29951244).

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

18104148 is a wasteful number, since it uses less digits than its factorization.

18104148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874 (or 863 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 27.

The square root of 18104148 is about 4254.8969435228. The cubic root of 18104148 is about 262.5786213477.

The spelling of 18104148 in words is "eighteen million, one hundred four thousand, one hundred forty-eight".