142042121431151 has 2 divisors, whose sum is σ = 142042121431152. Its totient is φ = 142042121431150.

The previous prime is 142042121431079. The next prime is 142042121431181. The reversal of 142042121431151 is 151134121240241.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142042121431151 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142042121431181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71021060715575 + 71021060715576.

It is an arithmetic number, because the mean of its divisors is an integer number (71021060715576).

Almost surely, 2^{142042121431151} is an apocalyptic number.

142042121431151 is a deficient number, since it is larger than the sum of its proper divisors (1).

142042121431151 is an equidigital number, since it uses as much as digits as its factorization.

142042121431151 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7680, while the sum is 32.

Adding to 142042121431151 its reverse (151134121240241), we get a palindrome (293176242671392).

The spelling of 142042121431151 in words is "one hundred forty-two trillion, forty-two billion, one hundred twenty-one million, four hundred thirty-one thousand, one hundred fifty-one".