345864281 has 8 divisors (see below), whose sum is σ = 395480064. Its totient is φ = 296300160.

The previous prime is 345864263. The next prime is 345864289. The reversal of 345864281 is 182468543.

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

It is a cyclic number.

It is not a de Polignac number, because 345864281 - 2¹⁴ = 345847897 is a prime.

It is a super-2 number, since 2×345864281² = 239244201743293922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (345864289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2696 + ... + 26438.

It is an arithmetic number, because the mean of its divisors is an integer number (49435008).

Almost surely, 2^345864281 is an apocalyptic number.

It is an amenable number.

345864281 is a deficient number, since it is larger than the sum of its proper divisors (49615783).

345864281 is a wasteful number, since it uses less digits than its factorization.

345864281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25831.

The product of its digits is 184320, while the sum is 41.

The square root of 345864281 is about 18597.4267305990. The cubic root of 345864281 is about 701.9430917632.

The spelling of 345864281 in words is "three hundred forty-five million, eight hundred sixty-four thousand, two hundred eighty-one".