345660559 has 8 divisors (see below), whose sum is σ = 367075440. Its totient is φ = 324567936.

The previous prime is 345660551. The next prime is 345660569. The reversal of 345660559 is 955066543.

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

It is a cyclic number.

It is not a de Polignac number, because 345660559 - 2³ = 345660551 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345660551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78352 + ... + 82645.

It is an arithmetic number, because the mean of its divisors is an integer number (45884430).

Almost surely, 2^345660559 is an apocalyptic number.

345660559 is a deficient number, since it is larger than the sum of its proper divisors (21414881).

345660559 is a wasteful number, since it uses less digits than its factorization.

345660559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161129.

The product of its (nonzero) digits is 486000, while the sum is 43.

The square root of 345660559 is about 18591.9487682168. The cubic root of 345660559 is about 701.8052444971.

The spelling of 345660559 in words is "three hundred forty-five million, six hundred sixty thousand, five hundred fifty-nine".