343505045 has 16 divisors (see below), whose sum is σ = 449269632. Its totient is φ = 250605120.

The previous prime is 343504981. The next prime is 343505051. The reversal of 343505045 is 540505343.

It is not a de Polignac number, because 343505045 - 2⁶ = 343504981 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 343504999 and 343505017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26441 + ... + 37230.

It is an arithmetic number, because the mean of its divisors is an integer number (28079352).

Almost surely, 2^343505045 is an apocalyptic number.

It is an amenable number.

343505045 is a deficient number, since it is larger than the sum of its proper divisors (105764587).

343505045 is a wasteful number, since it uses less digits than its factorization.

343505045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63772.

The product of its (nonzero) digits is 18000, while the sum is 29.

The square root of 343505045 is about 18533.8890953842. The cubic root of 343505045 is about 700.3433995379.

The spelling of 343505045 in words is "three hundred forty-three million, five hundred five thousand, forty-five".