344043145 has 4 divisors (see below), whose sum is σ = 412851780. Its totient is φ = 275234512.

The previous prime is 344043121. The next prime is 344043157. The reversal of 344043145 is 541340443.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 51667344 + 292375801 = 7188^2 + 17099^2 .

It is a cyclic number.

It is not a de Polignac number, because 344043145 - 2⁷ = 344043017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34404310 + ... + 34404319.

It is an arithmetic number, because the mean of its divisors is an integer number (103212945).

Almost surely, 2^344043145 is an apocalyptic number.

It is an amenable number.

344043145 is a deficient number, since it is larger than the sum of its proper divisors (68808635).

344043145 is an equidigital number, since it uses as much as digits as its factorization.

344043145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68808634.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 344043145 is about 18548.4000657739. The cubic root of 344043145 is about 700.7089042848.

Adding to 344043145 its reverse (541340443), we get a palindrome (885383588).

The spelling of 344043145 in words is "three hundred forty-four million, forty-three thousand, one hundred forty-five".