18453132 has 36 divisors (see below), whose sum is σ = 46846800. Its totient is φ = 6124512.

The previous prime is 18453103. The next prime is 18453151. The reversal of 18453132 is 23135481.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 18453096 and 18453105.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8494 + ... + 10442.

It is an arithmetic number, because the mean of its divisors is an integer number (1301300).

Almost surely, 2^18453132 is an apocalyptic number.

18453132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18453132 is an abundant number, since it is smaller than the sum of its proper divisors (28393668).

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

18453132 is a wasteful number, since it uses less digits than its factorization.

18453132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222 (or 2217 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 18453132 is about 4295.7108841262. The cubic root of 18453132 is about 264.2550909037.

The spelling of 18453132 in words is "eighteen million, four hundred fifty-three thousand, one hundred thirty-two".