342045 has 24 divisors (see below), whose sum is σ = 647712. Its totient is φ = 165600.

The previous prime is 342037. The next prime is 342047. The reversal of 342045 is 540243.

It is a happy number.

It is not a de Polignac number, because 342045 - 2³ = 342037 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 150 + ... + 840.

It is an arithmetic number, because the mean of its divisors is an integer number (26988).

2³⁴²⁰⁴⁵ is an apocalyptic number.

It is an amenable number.

342045 is a deficient number, since it is larger than the sum of its proper divisors (305667).

342045 is a wasteful number, since it uses less digits than its factorization.

342045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 713 (or 710 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 342045 is about 584.8461336112. The cubic root of 342045 is about 69.9349736262.

Adding to 342045 its reverse (540243), we get a palindrome (882288).

The spelling of 342045 in words is "three hundred forty-two thousand, forty-five".