180741149 has 2 divisors, whose sum is σ = 180741150. Its totient is φ = 180741148.

The previous prime is 180741103. The next prime is 180741151. The reversal of 180741149 is 941147081.

180741149 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138815524 + 41925625 = 11782^2 + 6475^2 .

It is a cyclic number.

It is not a de Polignac number, because 180741149 - 2²⁰ = 179692573 is a prime.

It is a Sophie Germain prime.

Together with 180741151, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (180740149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90370574 + 90370575.

It is an arithmetic number, because the mean of its divisors is an integer number (90370575).

Almost surely, 2^180741149 is an apocalyptic number.

It is an amenable number.

180741149 is a deficient number, since it is larger than the sum of its proper divisors (1).

180741149 is an equidigital number, since it uses as much as digits as its factorization.

180741149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 35.

The square root of 180741149 is about 13444.0004834870. Note that the first 3 decimals coincide. The cubic root of 180741149 is about 565.3954982725.

The spelling of 180741149 in words is "one hundred eighty million, seven hundred forty-one thousand, one hundred forty-nine".