181404112 has 10 divisors (see below), whose sum is σ = 351470498. Its totient is φ = 90702048.

The previous prime is 181404109. The next prime is 181404163. The reversal of 181404112 is 211404181.

It can be written as a sum of positive squares in only one way, i.e., 159163456 + 22240656 = 12616^2 + 4716^2 .

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, 5668863 + ... + 5668894.

Almost surely, 2^181404112 is an apocalyptic number.

It is an amenable number.

181404112 is a deficient number, since it is larger than the sum of its proper divisors (170066386).

181404112 is a wasteful number, since it uses less digits than its factorization.

181404112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11337765 (or 11337759 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

The square root of 181404112 is about 13468.6343776940. The cubic root of 181404112 is about 566.0859496473.

Adding to 181404112 its reverse (211404181), we get a palindrome (392808293).

The spelling of 181404112 in words is "one hundred eighty-one million, four hundred four thousand, one hundred twelve".