345545517 has 8 divisors (see below), whose sum is σ = 466278624. Its totient is φ = 227588048.

The previous prime is 345545509. The next prime is 345545591. The reversal of 345545517 is 715545543.

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 345545517 - 2³ = 345545509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345545017) 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, 693618 + ... + 694115.

It is an arithmetic number, because the mean of its divisors is an integer number (58284828).

Almost surely, 2^345545517 is an apocalyptic number.

It is an amenable number.

345545517 is a deficient number, since it is larger than the sum of its proper divisors (120733107).

345545517 is a wasteful number, since it uses less digits than its factorization.

345545517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387819.

The product of its digits is 210000, while the sum is 39.

The square root of 345545517 is about 18588.8546446520. The cubic root of 345545517 is about 701.7273780899.

The spelling of 345545517 in words is "three hundred forty-five million, five hundred forty-five thousand, five hundred seventeen".