345525543 has 36 divisors (see below), whose sum is σ = 554414224. Its totient is φ = 207187200.

The previous prime is 345525541. The next prime is 345525559.

345525543 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 345525543 - 2¹ = 345525541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 345525498 and 345525507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345525541) 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 35 ways as a sum of consecutive naturals, for example, 103998 + ... + 107268.

Almost surely, 2^345525543 is an apocalyptic number.

345525543 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

345525543 is a deficient number, since it is larger than the sum of its proper divisors (208888681).

345525543 is a wasteful number, since it uses less digits than its factorization.

345525543 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3396 (or 3382 counting only the distinct ones).

The product of its digits is 180000, while the sum is 36.

The square root of 345525543 is about 18588.3173794725. The cubic root of 345525543 is about 701.7138568874.

The spelling of 345525543 in words is "three hundred forty-five million, five hundred twenty-five thousand, five hundred forty-three".