180748288 has 72 divisors (see below), whose sum is σ = 415234512. Its totient is φ = 77070336.

The previous prime is 180748223. The next prime is 180748289. The reversal of 180748288 is 882847081.

It is a happy number.

It is a super-2 number, since 2×180748288² = 65339887229861888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180748289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 917406 + ... + 917602.

It is an arithmetic number, because the mean of its divisors is an integer number (5767146).

Almost surely, 2^180748288 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 180748288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (207617256).

180748288 is an abundant number, since it is smaller than the sum of its proper divisors (234486224).

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

180748288 is an frugal number, since it uses more digits than its factorization.

180748288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 229376, while the sum is 46.

The square root of 180748288 is about 13444.2659896329. The cubic root of 180748288 is about 565.4029422614.

It can be divided in two parts, 18074 and 8288, that added together give a palindrome (26362).

The spelling of 180748288 in words is "one hundred eighty million, seven hundred forty-eight thousand, two hundred eighty-eight".