345173109 has 8 divisors (see below), whose sum is σ = 476100960. Its totient is φ = 222180336.

The previous prime is 345173107. The next prime is 345173131. The reversal of 345173109 is 901371543.

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

It is not a de Polignac number, because 345173109 - 2¹ = 345173107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 345173109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345173107) 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, 1983667 + ... + 1983840.

It is an arithmetic number, because the mean of its divisors is an integer number (59512620).

Almost surely, 2^345173109 is an apocalyptic number.

It is an amenable number.

345173109 is a deficient number, since it is larger than the sum of its proper divisors (130927851).

345173109 is a wasteful number, since it uses less digits than its factorization.

345173109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3967539.

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 345173109 is about 18578.8349742388. The cubic root of 345173109 is about 701.4751944032.

The spelling of 345173109 in words is "three hundred forty-five million, one hundred seventy-three thousand, one hundred nine".