345489345 has 24 divisors (see below), whose sum is σ = 599280552. Its totient is φ = 184128000.

The previous prime is 345489311. The next prime is 345489377. The reversal of 345489345 is 543984543.

It can be written as a sum of positive squares in 4 ways, for example, as 16719921 + 328769424 = 4089^2 + 18132^2 .

It is not a de Polignac number, because 345489345 - 2¹⁰ = 345488321 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 345489345.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121945 + ... + 124745.

It is an arithmetic number, because the mean of its divisors is an integer number (24970023).

Almost surely, 2^345489345 is an apocalyptic number.

It is an amenable number.

345489345 is a deficient number, since it is larger than the sum of its proper divisors (253791207).

345489345 is a wasteful number, since it uses less digits than its factorization.

345489345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5553 (or 5550 counting only the distinct ones).

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

The square root of 345489345 is about 18587.3436778901. The cubic root of 345489345 is about 701.6893516800.

The spelling of 345489345 in words is "three hundred forty-five million, four hundred eighty-nine thousand, three hundred forty-five".