345630266 has 8 divisors (see below), whose sum is σ = 518855220. Its totient is φ = 172678528.

The previous prime is 345630251. The next prime is 345630277. The reversal of 345630266 is 662036543.

It can be written as a sum of positive squares in 2 ways, for example, as 344882041 + 748225 = 18571^2 + 865^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×345630266³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65111 + ... + 70218.

Almost surely, 2^345630266 is an apocalyptic number.

345630266 is a deficient number, since it is larger than the sum of its proper divisors (173224954).

345630266 is a wasteful number, since it uses less digits than its factorization.

345630266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136608.

The product of its (nonzero) digits is 77760, while the sum is 35.

The square root of 345630266 is about 18591.1340697656. The cubic root of 345630266 is about 701.7847422955.

The spelling of 345630266 in words is "three hundred forty-five million, six hundred thirty thousand, two hundred sixty-six".