345553443 has 12 divisors (see below), whose sum is σ = 501315360. Its totient is φ = 229361616.

The previous prime is 345553409. The next prime is 345553451. The reversal of 345553443 is 344355543.

345553443 is a `hidden beast` number, since 34 + 55 + 534 + 43 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-345553443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 345553398 and 345553407.

It is not an unprimeable number, because it can be changed into a prime (345553493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81771 + ... + 85892.

It is an arithmetic number, because the mean of its divisors is an integer number (41776280).

Almost surely, 2^345553443 is an apocalyptic number.

345553443 is a deficient number, since it is larger than the sum of its proper divisors (155761917).

345553443 is a wasteful number, since it uses less digits than its factorization.

345553443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167898 (or 167895 counting only the distinct ones).

The product of its digits is 216000, while the sum is 36.

The square root of 345553443 is about 18589.0678356931. The cubic root of 345553443 is about 701.7327433731.

The spelling of 345553443 in words is "three hundred forty-five million, five hundred fifty-three thousand, four hundred forty-three".