18454104 has 24 divisors (see below), whose sum is σ = 49980060. Its totient is φ = 6151344.

The previous prime is 18454087. The next prime is 18454151. The reversal of 18454104 is 40145481.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 128082 + ... + 128225.

Almost surely, 2^18454104 is an apocalyptic number.

It is an amenable number.

18454104 is an abundant number, since it is smaller than the sum of its proper divisors (31525956).

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

18454104 is a wasteful number, since it uses less digits than its factorization.

18454104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256319 (or 256312 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 18454104 is about 4295.8240187419. The cubic root of 18454104 is about 264.2597306118.

Adding to 18454104 its reverse (40145481), we get a palindrome (58599585).

The spelling of 18454104 in words is "eighteen million, four hundred fifty-four thousand, one hundred four".