345345345 has 24 divisors (see below), whose sum is σ = 624626496. Its totient is φ = 176175648.

The previous prime is 345345323. The next prime is 345345359. The reversal of 345345345 is 543543543.

345345345 is a `hidden beast` number, since 34 + 534 + 53 + 45 = 666.

It is not a de Polignac number, because 345345345 - 2¹⁴ = 345328961 is a prime.

It is a super-3 number, since 3×345345345³ (a number of 27 digits) contains 333 as substring.

345345345 is a modest number, since divided by 345345 gives 345 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 165799 + ... + 167868.

It is an arithmetic number, because the mean of its divisors is an integer number (26026104).

Almost surely, 2^345345345 is an apocalyptic number.

It is an amenable number.

345345345 is a deficient number, since it is larger than the sum of its proper divisors (279281151).

345345345 is a wasteful number, since it uses less digits than its factorization.

345345345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333701 (or 333698 counting only the distinct ones).

The product of its digits is 216000, while the sum is 36.

The square root of 345345345 is about 18583.4696706508. The cubic root of 345345345 is about 701.5918500642.

Adding to 345345345 its reverse (543543543), we get a palindrome (888888888).

The spelling of 345345345 in words is "three hundred forty-five million, three hundred forty-five thousand, three hundred forty-five".