345234381 has 4 divisors (see below), whose sum is σ = 460312512. Its totient is φ = 230156252.

The previous prime is 345234361. The next prime is 345234397. The reversal of 345234381 is 183432543.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 345234381 - 2¹¹ = 345232333 is a prime.

It is a super-2 number, since 2×345234381² = 238373555648906322, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345234361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57539061 + ... + 57539066.

It is an arithmetic number, because the mean of its divisors is an integer number (115078128).

Almost surely, 2^345234381 is an apocalyptic number.

It is an amenable number.

345234381 is a deficient number, since it is larger than the sum of its proper divisors (115078131).

345234381 is a wasteful number, since it uses less digits than its factorization.

345234381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115078130.

The product of its digits is 34560, while the sum is 33.

The square root of 345234381 is about 18580.4838742160. The cubic root of 345234381 is about 701.5166984525.

The spelling of 345234381 in words is "three hundred forty-five million, two hundred thirty-four thousand, three hundred eighty-one".