345132065 has 12 divisors (see below), whose sum is σ = 420104532. Its totient is φ = 272196960.

The previous prime is 345132037. The next prime is 345132077. The reversal of 345132065 is 560231543.

It can be written as a sum of positive squares in 2 ways, for example, as 271326784 + 73805281 = 16472^2 + 8591^2 .

It is not a de Polignac number, because 345132065 - 2²⁰ = 344083489 is a prime.

It is a super-3 number, since 3×345132065³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18359 + ... + 32051.

It is an arithmetic number, because the mean of its divisors is an integer number (35008711).

Almost surely, 2^345132065 is an apocalyptic number.

It is an amenable number.

345132065 is a deficient number, since it is larger than the sum of its proper divisors (74972467).

345132065 is an equidigital number, since it uses as much as digits as its factorization.

345132065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13840 (or 13769 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 345132065 is about 18577.7303511489. The cubic root of 345132065 is about 701.4473895247.

The spelling of 345132065 in words is "three hundred forty-five million, one hundred thirty-two thousand, sixty-five".