18456152 has 96 divisors (see below), whose sum is σ = 43876080. Its totient is φ = 7188480.

The previous prime is 18456121. The next prime is 18456157. The reversal of 18456152 is 25165481.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18456157) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 252788 + ... + 252860.

Almost surely, 2^18456152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18456152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21938040).

18456152 is an abundant number, since it is smaller than the sum of its proper divisors (25419928).

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

18456152 is a wasteful number, since it uses less digits than its factorization.

18456152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133 (or 116 counting only the distinct ones).

The product of its digits is 9600, while the sum is 32.

The square root of 18456152 is about 4296.0623831597. The cubic root of 18456152 is about 264.2695059245.

It can be divided in two parts, 1845 and 6152, that added together give a palindrome (7997).

The spelling of 18456152 in words is "eighteen million, four hundred fifty-six thousand, one hundred fifty-two".