345066531 has 8 divisors (see below), whose sum is σ = 461291520. Its totient is φ = 229442952.

The previous prime is 345066523. The next prime is 345066541. The reversal of 345066531 is 135660543.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 345066531 - 2³ = 345066523 is a prime.

It is a super-2 number, since 2×345066531² = 238141821632747922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 345066492 and 345066501.

It is not an unprimeable number, because it can be changed into a prime (345066541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149011 + ... + 151308.

It is an arithmetic number, because the mean of its divisors is an integer number (57661440).

Almost surely, 2^345066531 is an apocalyptic number.

345066531 is a deficient number, since it is larger than the sum of its proper divisors (116224989).

345066531 is a wasteful number, since it uses less digits than its factorization.

345066531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300705.

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 345066531 is about 18575.9664889879. The cubic root of 345066531 is about 701.4029895517.

The spelling of 345066531 in words is "three hundred forty-five million, sixty-six thousand, five hundred thirty-one".