345539599 has 4 divisors (see below), whose sum is σ = 345811464. Its totient is φ = 345267736.

The previous prime is 345539581. The next prime is 345539639. The reversal of 345539599 is 995935543.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 345539599 - 2¹⁵ = 345506831 is a prime.

It is a super-2 number, since 2×345539599² = 238795228954161602, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345539549) 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 3 ways as a sum of consecutive naturals, for example, 134017 + ... + 136570.

It is an arithmetic number, because the mean of its divisors is an integer number (86452866).

Almost surely, 2^345539599 is an apocalyptic number.

345539599 is a deficient number, since it is larger than the sum of its proper divisors (271865).

345539599 is a wasteful number, since it uses less digits than its factorization.

345539599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271864.

The product of its digits is 3280500, while the sum is 52.

The square root of 345539599 is about 18588.6954625654. The cubic root of 345539599 is about 701.7233720124.

The spelling of 345539599 in words is "three hundred forty-five million, five hundred thirty-nine thousand, five hundred ninety-nine".