181480252 has 6 divisors (see below), whose sum is σ = 317590448. Its totient is φ = 90740124.

The previous prime is 181480223. The next prime is 181480261. The reversal of 181480252 is 252084181.

181480252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22685028 + ... + 22685035.

Almost surely, 2^181480252 is an apocalyptic number.

It is an amenable number.

181480252 is a deficient number, since it is larger than the sum of its proper divisors (136110196).

181480252 is a wasteful number, since it uses less digits than its factorization.

181480252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45370067 (or 45370065 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 31.

The square root of 181480252 is about 13471.4606483484. The cubic root of 181480252 is about 566.1651388763.

The spelling of 181480252 in words is "one hundred eighty-one million, four hundred eighty thousand, two hundred fifty-two".