345020434 has 8 divisors (see below), whose sum is σ = 564578928. Its totient is φ = 156827460.

The previous prime is 345020419. The next prime is 345020443. The reversal of 345020434 is 434020543.

345020434 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 345020399 and 345020408.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7841352 + ... + 7841395.

It is an arithmetic number, because the mean of its divisors is an integer number (70572366).

Almost surely, 2^345020434 is an apocalyptic number.

345020434 is a deficient number, since it is larger than the sum of its proper divisors (219558494).

345020434 is a wasteful number, since it uses less digits than its factorization.

345020434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15682760.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 345020434 is about 18574.7256776513. The cubic root of 345020434 is about 701.3717549824.

Adding to 345020434 its reverse (434020543), we get a palindrome (779040977).

The spelling of 345020434 in words is "three hundred forty-five million, twenty thousand, four hundred thirty-four".