180304282 has 4 divisors (see below), whose sum is σ = 270456426. Its totient is φ = 90152140.

The previous prime is 180304259. The next prime is 180304283. The reversal of 180304282 is 282403081.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 129481641 + 50822641 = 11379^2 + 7129^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 180304282.

It is not an unprimeable number, because it can be changed into a prime (180304283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45076069 + ... + 45076072.

Almost surely, 2^180304282 is an apocalyptic number.

180304282 is a deficient number, since it is larger than the sum of its proper divisors (90152144).

180304282 is an equidigital number, since it uses as much as digits as its factorization.

180304282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90152143.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 180304282 is about 13427.7429972427. The cubic root of 180304282 is about 564.9395941372.

The spelling of 180304282 in words is "one hundred eighty million, three hundred four thousand, two hundred eighty-two".