18454482 has 48 divisors (see below), whose sum is σ = 41472288. Its totient is φ = 5927040.

The previous prime is 18454481. The next prime is 18454483. The reversal of 18454482 is 28445481.

It is an interprime number because it is at equal distance from previous prime (18454481) and next prime (18454483).

It is not an unprimeable number, because it can be changed into a prime (18454481) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 87357 + ... + 87567.

It is an arithmetic number, because the mean of its divisors is an integer number (864006).

Almost surely, 2^18454482 is an apocalyptic number.

18454482 is an abundant number, since it is smaller than the sum of its proper divisors (23017806).

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

18454482 is a wasteful number, since it uses less digits than its factorization.

18454482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375 (or 372 counting only the distinct ones).

The product of its digits is 40960, while the sum is 36.

The square root of 18454482 is about 4295.8680147323. The cubic root of 18454482 is about 264.2615348988.

Subtracting 18454482 from its reverse (28445481), we obtain a palindrome (9990999).

The spelling of 18454482 in words is "eighteen million, four hundred fifty-four thousand, four hundred eighty-two".