342045229 has 2 divisors, whose sum is σ = 342045230. Its totient is φ = 342045228.

The previous prime is 342045217. The next prime is 342045271. The reversal of 342045229 is 922540243.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 257442025 + 84603204 = 16045^2 + 9198^2 .

It is an emirp because it is prime and its reverse (922540243) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342045229 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 342045229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342045299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171022614 + 171022615.

It is an arithmetic number, because the mean of its divisors is an integer number (171022615).

Almost surely, 2^342045229 is an apocalyptic number.

It is an amenable number.

342045229 is a deficient number, since it is larger than the sum of its proper divisors (1).

342045229 is an equidigital number, since it uses as much as digits as its factorization.

342045229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 342045229 is about 18494.4648205889. The cubic root of 342045229 is about 699.3498923339.

The spelling of 342045229 in words is "three hundred forty-two million, forty-five thousand, two hundred twenty-nine".