142422341 has 2 divisors, whose sum is σ = 142422342. Its totient is φ = 142422340.

The previous prime is 142422337. The next prime is 142422359. The reversal of 142422341 is 143224241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104550625 + 37871716 = 10225^2 + 6154^2 .

It is an emirp because it is prime and its reverse (143224241) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 142422341 - 2² = 142422337 is a prime.

It is equal to p_8041280 and since 142422341 and 8041280 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142422331) 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, 71211170 + 71211171.

It is an arithmetic number, because the mean of its divisors is an integer number (71211171).

Almost surely, 2^142422341 is an apocalyptic number.

It is an amenable number.

142422341 is a deficient number, since it is larger than the sum of its proper divisors (1).

142422341 is an equidigital number, since it uses as much as digits as its factorization.

142422341 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1536, while the sum is 23.

The square root of 142422341 is about 11934.0831654551. The cubic root of 142422341 is about 522.2270619557.

Adding to 142422341 its reverse (143224241), we get a palindrome (285646582).

The spelling of 142422341 in words is "one hundred forty-two million, four hundred twenty-two thousand, three hundred forty-one".