342105 has 8 divisors (see below), whose sum is σ = 547392. Its totient is φ = 182448.

The previous prime is 342101. The next prime is 342107. The reversal of 342105 is 501243.

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

It is not a de Polignac number, because 342105 - 2² = 342101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 22807 = 342105 / (3 + 4 + 2 + 1 + 0 + 5).

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 342105.

It is not an unprimeable number, because it can be changed into a prime (342101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11389 + ... + 11418.

It is an arithmetic number, because the mean of its divisors is an integer number (68424).

2³⁴²¹⁰⁵ is an apocalyptic number.

It is an amenable number.

342105 is a deficient number, since it is larger than the sum of its proper divisors (205287).

342105 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 11 representation: 342105 = (214035)₁₁.

342105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22815.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 342105 is about 584.8974269049. The cubic root of 342105 is about 69.9390626136.

Adding to 342105 its product of nonzero digits (120), we get a square (342225 = 585²).

Adding to 342105 its reverse (501243), we get a palindrome (843348).

The spelling of 342105 in words is "three hundred forty-two thousand, one hundred five".