345018 has 8 divisors (see below), whose sum is σ = 690048. Its totient is φ = 115004.

The previous prime is 345017. The next prime is 345019. The reversal of 345018 is 810543.

It is an interprime number because it is at equal distance from previous prime (345017) and next prime (345019).

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

345018 is an admirable number.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 344985 and 345003.

It is not an unprimeable number, because it can be changed into a prime (345011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28746 + ... + 28757.

It is an arithmetic number, because the mean of its divisors is an integer number (86256).

2³⁴⁵⁰¹⁸ is an apocalyptic number.

345018 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345018 is a wasteful number, since it uses less digits than its factorization.

345018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57508.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 345018 is about 587.3823286412. The cubic root of 345018 is about 70.1370105667.

The spelling of 345018 in words is "three hundred forty-five thousand, eighteen".