180949241 has 32 divisors (see below), whose sum is σ = 220164480. Its totient is φ = 146764800.

The previous prime is 180949231. The next prime is 180949243. The reversal of 180949241 is 142949081.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-180949241 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 180949195 and 180949204.

It is not an unprimeable number, because it can be changed into a prime (180949243) 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 31 ways as a sum of consecutive naturals, for example, 330530 + ... + 331076.

It is an arithmetic number, because the mean of its divisors is an integer number (6880140).

Almost surely, 2^180949241 is an apocalyptic number.

180949241 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

180949241 is a deficient number, since it is larger than the sum of its proper divisors (39215239).

180949241 is a wasteful number, since it uses less digits than its factorization.

180949241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 665.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 180949241 is about 13451.7374714198. The cubic root of 180949241 is about 565.6123999147.

The spelling of 180949241 in words is "one hundred eighty million, nine hundred forty-nine thousand, two hundred forty-one".