344120145 has 16 divisors (see below), whose sum is σ = 550851840. Its totient is φ = 183444224.

The previous prime is 344120141. The next prime is 344120197. The reversal of 344120145 is 541021443.

It is a cyclic number.

It is not a de Polignac number, because 344120145 - 2² = 344120141 is a prime.

It is not an unprimeable number, because it can be changed into a prime (344120141) 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 15 ways as a sum of consecutive naturals, for example, 39496 + ... + 47414.

It is an arithmetic number, because the mean of its divisors is an integer number (34428240).

Almost surely, 2^344120145 is an apocalyptic number.

It is an amenable number.

344120145 is a deficient number, since it is larger than the sum of its proper divisors (206731695).

344120145 is a wasteful number, since it uses less digits than its factorization.

344120145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10824.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 344120145 is about 18550.4756003721. The cubic root of 344120145 is about 700.7611754042.

Adding to 344120145 its reverse (541021443), we get a palindrome (885141588).

The spelling of 344120145 in words is "three hundred forty-four million, one hundred twenty thousand, one hundred forty-five".