345115417 has 4 divisors (see below), whose sum is σ = 346922496. Its totient is φ = 343308340.

The previous prime is 345115349. The next prime is 345115429. The reversal of 345115417 is 714511543.

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, and also an emirpimes, since its reverse is a distinct semiprime: 714511543 = 113 ⋅6323111.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345115417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (345115117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 903253 + ... + 903634.

It is an arithmetic number, because the mean of its divisors is an integer number (86730624).

Almost surely, 2^345115417 is an apocalyptic number.

It is an amenable number.

345115417 is a deficient number, since it is larger than the sum of its proper divisors (1807079).

345115417 is a wasteful number, since it uses less digits than its factorization.

345115417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1807078.

The product of its digits is 8400, while the sum is 31.

The square root of 345115417 is about 18577.2822824007. The cubic root of 345115417 is about 701.4361108625.

The spelling of 345115417 in words is "three hundred forty-five million, one hundred fifteen thousand, four hundred seventeen".