180645332 has 48 divisors (see below), whose sum is σ = 385596288. Its totient is φ = 72284160.

The previous prime is 180645313. The next prime is 180645391. The reversal of 180645332 is 233546081.

180645332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60908 + ... + 63804.

It is an arithmetic number, because the mean of its divisors is an integer number (8033256).

Almost surely, 2^180645332 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 180645332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192798144).

180645332 is an abundant number, since it is smaller than the sum of its proper divisors (204950956).

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

180645332 is a wasteful number, since it uses less digits than its factorization.

180645332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3056 (or 3054 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 32.

The square root of 180645332 is about 13440.4364512467. The cubic root of 180645332 is about 565.2955688489.

The spelling of 180645332 in words is "one hundred eighty million, six hundred forty-five thousand, three hundred thirty-two".