345161531605 has 32 divisors (see below), whose sum is σ = 466538692608. Its totient is φ = 242868974400.

The previous prime is 345161531587. The next prime is 345161531623. The reversal of 345161531605 is 506135161543.

It is an interprime number because it is at equal distance from previous prime (345161531587) and next prime (345161531623).

It is not a de Polignac number, because 345161531605 - 2⁵ = 345161531573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7559374 + ... + 7604896.

It is an arithmetic number, because the mean of its divisors is an integer number (14579334144).

Almost surely, 2^345161531605 is an apocalyptic number.

It is an amenable number.

345161531605 is a deficient number, since it is larger than the sum of its proper divisors (121377161003).

345161531605 is a wasteful number, since it uses less digits than its factorization.

345161531605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50017.

The product of its (nonzero) digits is 162000, while the sum is 40.

The spelling of 345161531605 in words is "three hundred forty-five billion, one hundred sixty-one million, five hundred thirty-one thousand, six hundred five".