180803532 has 192 divisors, whose sum is σ = 551936000. Its totient is φ = 45722880.

The previous prime is 180803531. The next prime is 180803537. The reversal of 180803532 is 235308081.

It is a happy number.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 180803532.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180803531) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1658694 + ... + 1658802.

Almost surely, 2^180803532 is an apocalyptic number.

180803532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 180803532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275968000).

180803532 is an abundant number, since it is smaller than the sum of its proper divisors (371132468).

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

180803532 is a wasteful number, since it uses less digits than its factorization.

180803532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 180803532 is about 13446.3203888648. The cubic root of 180803532 is about 565.4605397428.

It can be divided in two parts, 18080 and 3532, that added together give a palindrome (21612).

The spelling of 180803532 in words is "one hundred eighty million, eight hundred three thousand, five hundred thirty-two".