345106 has 4 divisors (see below), whose sum is σ = 517662. Its totient is φ = 172552.

The previous prime is 345089. The next prime is 345109. The reversal of 345106 is 601543.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 216225 + 128881 = 465^2 + 359^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (345109) by changing a digit.

345106 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86275 + ... + 86278.

2³⁴⁵¹⁰⁶ is an apocalyptic number.

345106 is a deficient number, since it is larger than the sum of its proper divisors (172556).

345106 is a wasteful number, since it uses less digits than its factorization.

345106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172555.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 345106 is about 587.4572324859. The cubic root of 345106 is about 70.1429730887.

Adding to 345106 its reverse (601543), we get a palindrome (946649).

The spelling of 345106 in words is "three hundred forty-five thousand, one hundred six".