345444543 has 24 divisors (see below), whose sum is σ = 517585536. Its totient is φ = 221832000.

The previous prime is 345444493. The next prime is 345444551.

345444543 is a `hidden beast` number, since 34 + 544 + 45 + 43 = 666.

345444543 is nontrivially palindromic in base 10.

It is a de Polignac number, because none of the positive numbers 2^k-345444543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 345444498 and 345444507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345444553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28498 + ... + 38768.

It is an arithmetic number, because the mean of its divisors is an integer number (21566064).

Almost surely, 2^345444543 is an apocalyptic number.

345444543 is a deficient number, since it is larger than the sum of its proper divisors (172140993).

345444543 is a wasteful number, since it uses less digits than its factorization.

345444543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10415 (or 10412 counting only the distinct ones).

The product of its digits is 230400, while the sum is 36.

The square root of 345444543 is about 18586.1384639198. The cubic root of 345444543 is about 701.6590193936.

The spelling of 345444543 in words is "three hundred forty-five million, four hundred forty-four thousand, five hundred forty-three".