142424241109 has 2 divisors, whose sum is σ = 142424241110. Its totient is φ = 142424241108.

The previous prime is 142424241077. The next prime is 142424241217. The reversal of 142424241109 is 901142424241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82682127025 + 59742114084 = 287545^2 + 244422^2 .

It is a cyclic number.

It is not a de Polignac number, because 142424241109 - 2⁵ = 142424241077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142424271109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71212120554 + 71212120555.

It is an arithmetic number, because the mean of its divisors is an integer number (71212120555).

Almost surely, 2^142424241109 is an apocalyptic number.

It is an amenable number.

142424241109 is a deficient number, since it is larger than the sum of its proper divisors (1).

142424241109 is an equidigital number, since it uses as much as digits as its factorization.

142424241109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 34.

The spelling of 142424241109 in words is "one hundred forty-two billion, four hundred twenty-four million, two hundred forty-one thousand, one hundred nine".