344197145 has 4 divisors (see below), whose sum is σ = 413036580. Its totient is φ = 275357712.

The previous prime is 344197127. The next prime is 344197151. The reversal of 344197145 is 541791443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 541791443 = 43 ⋅12599801.

It can be written as a sum of positive squares in 2 ways, for example, as 253319056 + 90878089 = 15916^2 + 9533^2 .

It is a cyclic number.

It is not a de Polignac number, because 344197145 - 2¹⁰ = 344196121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 344197099 and 344197108.

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, 34419710 + ... + 34419719.

It is an arithmetic number, because the mean of its divisors is an integer number (103259145).

Almost surely, 2^344197145 is an apocalyptic number.

It is an amenable number.

344197145 is a deficient number, since it is larger than the sum of its proper divisors (68839435).

344197145 is an equidigital number, since it uses as much as digits as its factorization.

344197145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68839434.

The product of its digits is 60480, while the sum is 38.

The square root of 344197145 is about 18552.5509027735. The cubic root of 344197145 is about 700.8134387268.

The spelling of 344197145 in words is "three hundred forty-four million, one hundred ninety-seven thousand, one hundred forty-five".