342545321 has 8 divisors (see below), whose sum is σ = 344861184. Its totient is φ = 340235280.

The previous prime is 342545309. The next prime is 342545341. The reversal of 342545321 is 123545243.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 342545321 - 2¹⁰ = 342544297 is a prime.

It is a super-3 number, since 3×342545321³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (342545341) 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, 213695 + ... + 215291.

It is an arithmetic number, because the mean of its divisors is an integer number (43107648).

Almost surely, 2^342545321 is an apocalyptic number.

It is an amenable number.

342545321 is a deficient number, since it is larger than the sum of its proper divisors (2315863).

342545321 is a wasteful number, since it uses less digits than its factorization.

342545321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2911.

The product of its digits is 14400, while the sum is 29.

The square root of 342545321 is about 18507.9799275880. The cubic root of 342545321 is about 699.6905577859.

The spelling of 342545321 in words is "three hundred forty-two million, five hundred forty-five thousand, three hundred twenty-one".