340202345 has 24 divisors (see below), whose sum is σ = 475790400. Its totient is φ = 232841952.

The previous prime is 340202341. The next prime is 340202381. The reversal of 340202345 is 543202043.

It is not a de Polignac number, because 340202345 - 2² = 340202341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 340202345.

It is not an unprimeable number, because it can be changed into a prime (340202341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 180116 + ... + 181994.

It is an arithmetic number, because the mean of its divisors is an integer number (19824600).

Almost surely, 2^340202345 is an apocalyptic number.

340202345 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

340202345 is a deficient number, since it is larger than the sum of its proper divisors (135588055).

340202345 is a wasteful number, since it uses less digits than its factorization.

340202345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2637 (or 2630 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 23.

The square root of 340202345 is about 18444.5749476642. The cubic root of 340202345 is about 698.0916354106.

Adding to 340202345 its reverse (543202043), we get a palindrome (883404388).

The spelling of 340202345 in words is "three hundred forty million, two hundred two thousand, three hundred forty-five".