181280048 has 10 divisors (see below), whose sum is σ = 351230124. Its totient is φ = 90640016.

The previous prime is 181280009. The next prime is 181280053. The reversal of 181280048 is 840082181.

It is a junction number, because it is equal to n+sod(n) for n = 181279996 and 181280023.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5664986 + ... + 5665017.

Almost surely, 2^181280048 is an apocalyptic number.

It is an amenable number.

181280048 is a deficient number, since it is larger than the sum of its proper divisors (169950076).

181280048 is a wasteful number, since it uses less digits than its factorization.

181280048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11330011 (or 11330005 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 32.

The square root of 181280048 is about 13464.0279262931. The cubic root of 181280048 is about 565.9568696923.

The spelling of 181280048 in words is "one hundred eighty-one million, two hundred eighty thousand, forty-eight".