43200149 has 2 divisors, whose sum is σ = 43200150. Its totient is φ = 43200148.

The previous prime is 43200137. The next prime is 43200151. The reversal of 43200149 is 94100234.

43200149 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., 27144100 + 16056049 = 5210^2 + 4007^2 .

It is a cyclic number.

It is not a de Polignac number, because 43200149 - 2⁴ = 43200133 is a prime.

It is a Sophie Germain prime.

Together with 43200151, 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 (43200109) 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 as a sum of consecutive naturals, namely, 21600074 + 21600075.

It is an arithmetic number, because the mean of its divisors is an integer number (21600075).

Almost surely, 2^43200149 is an apocalyptic number.

It is an amenable number.

43200149 is a deficient number, since it is larger than the sum of its proper divisors (1).

43200149 is an equidigital number, since it uses as much as digits as its factorization.

43200149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 43200149 is about 6572.6820248663. The cubic root of 43200149 is about 350.8825319912.

The spelling of 43200149 in words is "forty-three million, two hundred thousand, one hundred forty-nine".