345517443 has 18 divisors (see below), whose sum is σ = 502950084. Its totient is φ = 228572712.

The previous prime is 345517411. The next prime is 345517483. The reversal of 345517443 is 344715543.

345517443 is a `hidden beast` number, since 34 + 551 + 74 + 4 + 3 = 666.

It is not a de Polignac number, because 345517443 - 2⁵ = 345517411 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 345517398 and 345517407.

It is not an unprimeable number, because it can be changed into a prime (345517483) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 172896 + ... + 174882.

Almost surely, 2^345517443 is an apocalyptic number.

345517443 is a deficient number, since it is larger than the sum of its proper divisors (157432641).

345517443 is a wasteful number, since it uses less digits than its factorization.

345517443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2271 (or 2129 counting only the distinct ones).

The product of its digits is 100800, while the sum is 36.

The square root of 345517443 is about 18588.0994994109. The cubic root of 345517443 is about 701.7083735237.

The spelling of 345517443 in words is "three hundred forty-five million, five hundred seventeen thousand, four hundred forty-three".