345618518 has 8 divisors (see below), whose sum is σ = 592488912. Its totient is φ = 148122216.

The previous prime is 345618509. The next prime is 345618521. The reversal of 345618518 is 815816543.

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

It is a congruent number.

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, 12343505 + ... + 12343532.

It is an arithmetic number, because the mean of its divisors is an integer number (74061114).

Almost surely, 2^345618518 is an apocalyptic number.

345618518 is a deficient number, since it is larger than the sum of its proper divisors (246870394).

345618518 is a wasteful number, since it uses less digits than its factorization.

345618518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24687046.

The product of its digits is 115200, while the sum is 41.

The square root of 345618518 is about 18590.8181100241. The cubic root of 345618518 is about 701.7767909659.

The spelling of 345618518 in words is "three hundred forty-five million, six hundred eighteen thousand, five hundred eighteen".