343045 has 16 divisors (see below), whose sum is σ = 455040. Its totient is φ = 247104.

The previous prime is 343037. The next prime is 343051. The reversal of 343045 is 540343.

It is a cyclic number.

It is not a de Polignac number, because 343045 - 2³ = 343037 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

343045 is a lucky number.

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, 2107 + ... + 2263.

It is an arithmetic number, because the mean of its divisors is an integer number (28440).

2³⁴³⁰⁴⁵ is an apocalyptic number.

It is an amenable number.

343045 is a deficient number, since it is larger than the sum of its proper divisors (111995).

343045 is a wasteful number, since it uses less digits than its factorization.

343045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204.

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 343045 is about 585.7004353763. The cubic root of 343045 is about 70.0030610906.

Multiplying 343045 by its sum of digits (19), we get a triangular number (6517855 = T₃₆₁₀).

Adding to 343045 its reverse (540343), we get a palindrome (883388).

The spelling of 343045 in words is "three hundred forty-three thousand, forty-five".