345446460185 has 4 divisors (see below), whose sum is σ = 414535752228. Its totient is φ = 276357168144.

The previous prime is 345446460157. The next prime is 345446460197. The reversal of 345446460185 is 581064644543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 581064644543 = 17317 ⋅33554579.

It can be written as a sum of positive squares in 2 ways, for example, as 247545056521 + 97901403664 = 497539^2 + 312892^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-345446460185 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34544646014 + ... + 34544646023.

It is an arithmetic number, because the mean of its divisors is an integer number (103633938057).

Almost surely, 2^345446460185 is an apocalyptic number.

It is an amenable number.

345446460185 is a deficient number, since it is larger than the sum of its proper divisors (69089292043).

345446460185 is an equidigital number, since it uses as much as digits as its factorization.

345446460185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69089292042.

The product of its (nonzero) digits is 5529600, while the sum is 50.

The spelling of 345446460185 in words is "three hundred forty-five billion, four hundred forty-six million, four hundred sixty thousand, one hundred eighty-five".