345559065 has 16 divisors (see below), whose sum is σ = 553267968. Its totient is φ = 184173696.

The previous prime is 345559063. The next prime is 345559091. The reversal of 345559065 is 560955543.

It is not a de Polignac number, because 345559065 - 2¹ = 345559063 is a prime.

It is a super-2 number, since 2×345559065² = 238822134807348450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (345559063) 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 15 ways as a sum of consecutive naturals, for example, 17904 + ... + 31806.

It is an arithmetic number, because the mean of its divisors is an integer number (34579248).

Almost surely, 2^345559065 is an apocalyptic number.

It is an amenable number.

345559065 is a deficient number, since it is larger than the sum of its proper divisors (207708903).

345559065 is a wasteful number, since it uses less digits than its factorization.

345559065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15568.

The product of its (nonzero) digits is 405000, while the sum is 42.

The square root of 345559065 is about 18589.2190529888. The cubic root of 345559065 is about 701.7365489784.

The spelling of 345559065 in words is "three hundred forty-five million, five hundred fifty-nine thousand, sixty-five".