180281484 has 48 divisors (see below), whose sum is σ = 472242400. Its totient is φ = 59470848.

The previous prime is 180281483. The next prime is 180281489. The reversal of 180281484 is 484182081.

It is a happy number.

180281484 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (180281483) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1872 + ... + 19080.

Almost surely, 2^180281484 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 180281484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (236121200).

180281484 is an abundant number, since it is smaller than the sum of its proper divisors (291960916).

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

180281484 is a wasteful number, since it uses less digits than its factorization.

180281484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17319 (or 17311 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 36.

The square root of 180281484 is about 13426.8940563334. The cubic root of 180281484 is about 564.9157824718.

The spelling of 180281484 in words is "one hundred eighty million, two hundred eighty-one thousand, four hundred eighty-four".