181112448 has 128 divisors (see below), whose sum is σ = 535377600. Its totient is φ = 53780480.

The previous prime is 181112443. The next prime is 181112471. The reversal of 181112448 is 844211181.

It is a tau number, because it is divible by the number of its divisors (128).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (181112443) 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, 223468 + ... + 224276.

Almost surely, 2^181112448 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 181112448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (267688800).

181112448 is an abundant number, since it is smaller than the sum of its proper divisors (354265152).

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

181112448 is a wasteful number, since it uses less digits than its factorization.

181112448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890 (or 878 counting only the distinct ones).

The product of its digits is 2048, while the sum is 30.

The square root of 181112448 is about 13457.8024952070. The cubic root of 181112448 is about 565.7824000075.

The spelling of 181112448 in words is "one hundred eighty-one million, one hundred twelve thousand, four hundred forty-eight".