345348269 has 16 divisors (see below), whose sum is σ = 419337600. Its totient is φ = 278074944.

The previous prime is 345348247. The next prime is 345348293. The reversal of 345348269 is 962843543.

It is a de Polignac number, because none of the positive numbers 2^k-345348269 is a prime.

It is a super-2 number, since 2×345348269² = 238530853802592722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345348209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15479 + ... + 30500.

It is an arithmetic number, because the mean of its divisors is an integer number (26208600).

Almost surely, 2^345348269 is an apocalyptic number.

It is an amenable number.

345348269 is a deficient number, since it is larger than the sum of its proper divisors (73989331).

345348269 is a wasteful number, since it uses less digits than its factorization.

345348269 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46052.

The product of its digits is 622080, while the sum is 44.

The square root of 345348269 is about 18583.5483425529. The cubic root of 345348269 is about 701.5938301582.

The spelling of 345348269 in words is "three hundred forty-five million, three hundred forty-eight thousand, two hundred sixty-nine".