180213448 has 8 divisors (see below), whose sum is σ = 337900230. Its totient is φ = 90106720.

The previous prime is 180213443. The next prime is 180213493. The reversal of 180213448 is 844312081.

It can be written as a sum of positive squares in only one way, i.e., 170615844 + 9597604 = 13062^2 + 3098^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (180213443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11263333 + ... + 11263348.

Almost surely, 2^180213448 is an apocalyptic number.

It is an amenable number.

180213448 is a deficient number, since it is larger than the sum of its proper divisors (157686782).

180213448 is a wasteful number, since it uses less digits than its factorization.

180213448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22526687 (or 22526683 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 180213448 is about 13424.3602454642. The cubic root of 180213448 is about 564.8447094563.

The spelling of 180213448 in words is "one hundred eighty million, two hundred thirteen thousand, four hundred forty-eight".