180749241 has 24 divisors (see below), whose sum is σ = 267328256. Its totient is φ = 117650880.

The previous prime is 180749237. The next prime is 180749281. The reversal of 180749241 is 142947081.

It is not a de Polignac number, because 180749241 - 2² = 180749237 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 180749196 and 180749205.

It is not an unprimeable number, because it can be changed into a prime (180749281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66336 + ... + 69006.

Almost surely, 2^180749241 is an apocalyptic number.

It is an amenable number.

180749241 is a deficient number, since it is larger than the sum of its proper divisors (86579015).

180749241 is a wasteful number, since it uses less digits than its factorization.

180749241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2853 (or 2850 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 180749241 is about 13444.3014322054. The cubic root of 180749241 is about 565.4039359602.

The spelling of 180749241 in words is "one hundred eighty million, seven hundred forty-nine thousand, two hundred forty-one".