345430 has 8 divisors (see below), whose sum is σ = 621792. Its totient is φ = 138168.

The previous prime is 345413. The next prime is 345431. The reversal of 345430 is 34543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 345398 and 345407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17262 + ... + 17281.

It is an arithmetic number, because the mean of its divisors is an integer number (77724).

2³⁴⁵⁴³⁰ is an apocalyptic number.

345430 is a deficient number, since it is larger than the sum of its proper divisors (276362).

345430 is a wasteful number, since it uses less digits than its factorization.

345430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34550.

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

The square root of 345430 is about 587.7329325467. The cubic root of 345430 is about 70.1649172786.

Adding to 345430 its reverse (34543), we get a palindrome (379973).

The spelling of 345430 in words is "three hundred forty-five thousand, four hundred thirty".