344007145 has 8 divisors (see below), whose sum is σ = 418970304. Its totient is φ = 271097904.

The previous prime is 344007127. The next prime is 344007151. The reversal of 344007145 is 541700443.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 344007145 - 2⁷ = 344007017 is a prime.

It is a super-2 number, since 2×344007145² = 236681831622102050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 513109 + ... + 513778.

It is an arithmetic number, because the mean of its divisors is an integer number (52371288).

Almost surely, 2^344007145 is an apocalyptic number.

It is an amenable number.

344007145 is a deficient number, since it is larger than the sum of its proper divisors (74963159).

344007145 is a wasteful number, since it uses less digits than its factorization.

344007145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1026959.

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 344007145 is about 18547.4296062824. The cubic root of 344007145 is about 700.6844631637.

Adding to 344007145 its reverse (541700443), we get a palindrome (885707588).

The spelling of 344007145 in words is "three hundred forty-four million, seven thousand, one hundred forty-five".