344353145 has 4 divisors (see below), whose sum is σ = 413223780. Its totient is φ = 275482512.

The previous prime is 344353129. The next prime is 344353151. The reversal of 344353145 is 541353443.

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 68095504 + 276257641 = 8252^2 + 16621^2 .

It is a cyclic number.

It is not a de Polignac number, because 344353145 - 2⁴ = 344353129 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, 34435310 + ... + 34435319.

It is an arithmetic number, because the mean of its divisors is an integer number (103305945).

Almost surely, 2^344353145 is an apocalyptic number.

It is an amenable number.

344353145 is a deficient number, since it is larger than the sum of its proper divisors (68870635).

344353145 is an equidigital number, since it uses as much as digits as its factorization.

344353145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68870634.

The product of its digits is 43200, while the sum is 32.

The square root of 344353145 is about 18556.7547001085. The cubic root of 344353145 is about 700.9192989734.

The spelling of 344353145 in words is "three hundred forty-four million, three hundred fifty-three thousand, one hundred forty-five".