181459941 has 32 divisors (see below), whose sum is σ = 265574400. Its totient is φ = 109543104.

The previous prime is 181459939. The next prime is 181459981. The reversal of 181459941 is 149954181.

It is not a de Polignac number, because 181459941 - 2¹ = 181459939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 181459893 and 181459902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (181459981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 799270 + ... + 799496.

It is an arithmetic number, because the mean of its divisors is an integer number (8299200).

Almost surely, 2^181459941 is an apocalyptic number.

It is an amenable number.

181459941 is a deficient number, since it is larger than the sum of its proper divisors (84114459).

181459941 is a wasteful number, since it uses less digits than its factorization.

181459941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545.

The product of its digits is 51840, while the sum is 42.

The square root of 181459941 is about 13470.7067743307. The cubic root of 181459941 is about 566.1440166348.

The spelling of 181459941 in words is "one hundred eighty-one million, four hundred fifty-nine thousand, nine hundred forty-one".