181141873 has 8 divisors (see below), whose sum is σ = 198315936. Its totient is φ = 164085600.

The previous prime is 181141867. The next prime is 181141903. The reversal of 181141873 is 378141181.

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 181141873 - 2¹⁷ = 181010801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (181141823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26211 + ... + 32392.

It is an arithmetic number, because the mean of its divisors is an integer number (24789492).

Almost surely, 2^181141873 is an apocalyptic number.

It is an amenable number.

181141873 is a deficient number, since it is larger than the sum of its proper divisors (17174063).

181141873 is a wasteful number, since it uses less digits than its factorization.

181141873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58895.

The product of its digits is 5376, while the sum is 34.

The square root of 181141873 is about 13458.8956827817. The cubic root of 181141873 is about 565.8130388837.

The spelling of 181141873 in words is "one hundred eighty-one million, one hundred forty-one thousand, eight hundred seventy-three".