345205334 has 4 divisors (see below), whose sum is σ = 517808004. Its totient is φ = 172602666.

The previous prime is 345205331. The next prime is 345205369. The reversal of 345205334 is 433502543.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 345205297 and 345205306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345205331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86301332 + ... + 86301335.

It is an arithmetic number, because the mean of its divisors is an integer number (129452001).

Almost surely, 2^345205334 is an apocalyptic number.

345205334 is a deficient number, since it is larger than the sum of its proper divisors (172602670).

345205334 is a wasteful number, since it uses less digits than its factorization.

345205334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172602669.

The product of its (nonzero) digits is 21600, while the sum is 29.

The square root of 345205334 is about 18579.7022042873. The cubic root of 345205334 is about 701.4970233871.

Adding to 345205334 its reverse (433502543), we get a palindrome (778707877).

The spelling of 345205334 in words is "three hundred forty-five million, two hundred five thousand, three hundred thirty-four".