343203445 has 16 divisors (see below), whose sum is σ = 445480560. Its totient is φ = 252324864.

The previous prime is 343203431. The next prime is 343203457. The reversal of 343203445 is 544302343.

It can be written as a sum of positive squares in 8 ways, for example, as 26399044 + 316804401 = 5138^2 + 17799^2 .

It is a cyclic number.

It is not a de Polignac number, because 343203445 - 2⁷ = 343203317 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3357 + ... + 26413.

It is an arithmetic number, because the mean of its divisors is an integer number (27842535).

Almost surely, 2^343203445 is an apocalyptic number.

It is an amenable number.

343203445 is a deficient number, since it is larger than the sum of its proper divisors (102277115).

343203445 is a wasteful number, since it uses less digits than its factorization.

343203445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23304.

The product of its (nonzero) digits is 17280, while the sum is 28.

The square root of 343203445 is about 18525.7508619759. The cubic root of 343203445 is about 700.1383706053.

Adding to 343203445 its reverse (544302343), we get a palindrome (887505788).

The spelling of 343203445 in words is "three hundred forty-three million, two hundred three thousand, four hundred forty-five".