343330245 has 20 divisors (see below), whose sum is σ = 615451980. Its totient is φ = 183109248.

The previous prime is 343330243. The next prime is 343330259. The reversal of 343330245 is 542033343.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 137522529 + 205807716 = 11727^2 + 14346^2 .

It is not a de Polignac number, because 343330245 - 2¹ = 343330243 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (343330241) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 423460 + ... + 424269.

It is an arithmetic number, because the mean of its divisors is an integer number (30772599).

Almost surely, 2^343330245 is an apocalyptic number.

It is an amenable number.

343330245 is a deficient number, since it is larger than the sum of its proper divisors (272121735).

343330245 is an equidigital number, since it uses as much as digits as its factorization.

343330245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847746 (or 847737 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 27.

The square root of 343330245 is about 18529.1728093836. The cubic root of 343330245 is about 700.2245844004.

Adding to 343330245 its reverse (542033343), we get a palindrome (885363588).

The spelling of 343330245 in words is "three hundred forty-three million, three hundred thirty thousand, two hundred forty-five".