345030 has 64 divisors (see below), whose sum is σ = 995328. Its totient is φ = 74880.

The previous prime is 345019. The next prime is 345041. The reversal of 345030 is 30543.

It is an interprime number because it is at equal distance from previous prime (345019) and next prime (345041).

It is a Harshad number since it is a multiple of its sum of digits (15).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6484 + ... + 6536.

It is an arithmetic number, because the mean of its divisors is an integer number (15552).

2³⁴⁵⁰³⁰ is an apocalyptic number.

345030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 345030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (497664).

345030 is an abundant number, since it is smaller than the sum of its proper divisors (650298).

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

345030 is a wasteful number, since it uses less digits than its factorization.

345030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101.

The product of its (nonzero) digits is 180, while the sum is 15.

The square root of 345030 is about 587.3925433643. The cubic root of 345030 is about 70.1378236975.

Adding to 345030 its reverse (30543), we get a palindrome (375573).

The spelling of 345030 in words is "three hundred forty-five thousand, thirty".