345845439 has 12 divisors (see below), whose sum is σ = 500335056. Its totient is φ = 230203392.

The previous prime is 345845407. The next prime is 345845447. The reversal of 345845439 is 934548543.

345845439 is a `hidden beast` number, since 34 + 584 + 5 + 4 + 39 = 666.

It is not a de Polignac number, because 345845439 - 2⁵ = 345845407 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 345845394 and 345845403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345845639) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23874 + ... + 35519.

It is an arithmetic number, because the mean of its divisors is an integer number (41694588).

Almost surely, 2^345845439 is an apocalyptic number.

345845439 is a deficient number, since it is larger than the sum of its proper divisors (154489617).

345845439 is a wasteful number, since it uses less digits than its factorization.

345845439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60046 (or 60043 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 45.

The square root of 345845439 is about 18596.9201482396. The cubic root of 345845439 is about 701.9303447093.

The spelling of 345845439 in words is "three hundred forty-five million, eight hundred forty-five thousand, four hundred thirty-nine".