345545117 has 4 divisors (see below), whose sum is σ = 345698496. Its totient is φ = 345391740.

The previous prime is 345545113. The next prime is 345545129. The reversal of 345545117 is 711545543.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 345545117 - 2² = 345545113 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345545113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73259 + ... + 77832.

It is an arithmetic number, because the mean of its divisors is an integer number (86424624).

Almost surely, 2^345545117 is an apocalyptic number.

It is an amenable number.

345545117 is a deficient number, since it is larger than the sum of its proper divisors (153379).

345545117 is a wasteful number, since it uses less digits than its factorization.

345545117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153378.

The product of its digits is 42000, while the sum is 35.

The square root of 345545117 is about 18588.8438855137. The cubic root of 345545117 is about 701.7271073190.

The spelling of 345545117 in words is "three hundred forty-five million, five hundred forty-five thousand, one hundred seventeen".