345122 has 4 divisors (see below), whose sum is σ = 517686. Its totient is φ = 172560.

The previous prime is 345109. The next prime is 345133. The reversal of 345122 is 221543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221543 = 7 ⋅31649.

It can be written as a sum of positive squares in only one way, i.e., 292681 + 52441 = 541^2 + 229^2 .

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 345122.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 345122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86279 + ... + 86282.

2³⁴⁵¹²² is an apocalyptic number.

345122 is a deficient number, since it is larger than the sum of its proper divisors (172564).

345122 is a wasteful number, since it uses less digits than its factorization.

345122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172563.

The product of its digits is 240, while the sum is 17.

The square root of 345122 is about 587.4708503407. The cubic root of 345122 is about 70.1440570747.

Adding to 345122 its reverse (221543), we get a palindrome (566665).

The spelling of 345122 in words is "three hundred forty-five thousand, one hundred twenty-two".