181105241 has 8 divisors (see below), whose sum is σ = 189471744. Its totient is φ = 172926880.

The previous prime is 181105237. The next prime is 181105247. The reversal of 181105241 is 142501181.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 181105241 - 2² = 181105237 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (181105247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45065 + ... + 48918.

It is an arithmetic number, because the mean of its divisors is an integer number (23683968).

Almost surely, 2^181105241 is an apocalyptic number.

It is an amenable number.

181105241 is a deficient number, since it is larger than the sum of its proper divisors (8366503).

181105241 is an equidigital number, since it uses as much as digits as its factorization.

181105241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94071.

The product of its (nonzero) digits is 320, while the sum is 23.

The square root of 181105241 is about 13457.5347296598. The cubic root of 181105241 is about 565.7748951896.

The spelling of 181105241 in words is "one hundred eighty-one million, one hundred five thousand, two hundred forty-one".