342430157 has 2 divisors, whose sum is σ = 342430158. Its totient is φ = 342430156.

The previous prime is 342430147. The next prime is 342430163. The reversal of 342430157 is 751034243.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 342213001 + 217156 = 18499^2 + 466^2 .

It is a cyclic number.

It is not a de Polignac number, because 342430157 - 2⁶ = 342430093 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342430147) 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, 171215078 + 171215079.

It is an arithmetic number, because the mean of its divisors is an integer number (171215079).

Almost surely, 2^342430157 is an apocalyptic number.

It is an amenable number.

342430157 is a deficient number, since it is larger than the sum of its proper divisors (1).

342430157 is an equidigital number, since it uses as much as digits as its factorization.

342430157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 342430157 is about 18504.8684675142. The cubic root of 342430157 is about 699.6121368292.

The spelling of 342430157 in words is "three hundred forty-two million, four hundred thirty thousand, one hundred fifty-seven".