180522532 has 12 divisors (see below), whose sum is σ = 317295580. Its totient is φ = 89866656.

The previous prime is 180522523. The next prime is 180522569. The reversal of 180522532 is 235225081.

It can be written as a sum of positive squares in 2 ways, for example, as 166564836 + 13957696 = 12906^2 + 3736^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 180522532.

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 3 ways as a sum of consecutive naturals, for example, 97623 + ... + 99454.

Almost surely, 2^180522532 is an apocalyptic number.

It is an amenable number.

180522532 is a deficient number, since it is larger than the sum of its proper divisors (136773048).

180522532 is a wasteful number, since it uses less digits than its factorization.

180522532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197310 (or 197308 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 180522532 is about 13435.8673705868. The cubic root of 180522532 is about 565.1674466497.

The spelling of 180522532 in words is "one hundred eighty million, five hundred twenty-two thousand, five hundred thirty-two".