344040149 has 2 divisors, whose sum is σ = 344040150. Its totient is φ = 344040148.

The previous prime is 344040127. The next prime is 344040157. The reversal of 344040149 is 941040443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 215943025 + 128097124 = 14695^2 + 11318^2 .

It is a cyclic number.

It is not a de Polignac number, because 344040149 - 2⁸ = 344039893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344070149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172020074 + 172020075.

It is an arithmetic number, because the mean of its divisors is an integer number (172020075).

Almost surely, 2^344040149 is an apocalyptic number.

It is an amenable number.

344040149 is a deficient number, since it is larger than the sum of its proper divisors (1).

344040149 is an equidigital number, since it uses as much as digits as its factorization.

344040149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 344040149 is about 18548.3193039154. The cubic root of 344040149 is about 700.7068703054.

The spelling of 344040149 in words is "three hundred forty-four million, forty thousand, one hundred forty-nine".