142151134220437 has 2 divisors, whose sum is σ = 142151134220438. Its totient is φ = 142151134220436.

The previous prime is 142151134220429. The next prime is 142151134220519. The reversal of 142151134220437 is 734022431151241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 135710710456036 + 6440423764401 = 11649494^2 + 2537799^2 .

It is a cyclic number.

It is not a de Polignac number, because 142151134220437 - 2³ = 142151134220429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 142151134220437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142151134220237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71075567110218 + 71075567110219.

It is an arithmetic number, because the mean of its divisors is an integer number (71075567110219).

Almost surely, 2^{142151134220437} is an apocalyptic number.

It is an amenable number.

142151134220437 is a deficient number, since it is larger than the sum of its proper divisors (1).

142151134220437 is an equidigital number, since it uses as much as digits as its factorization.

142151134220437 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 161280, while the sum is 40.

Adding to 142151134220437 its reverse (734022431151241), we get a palindrome (876173565371678).

The spelling of 142151134220437 in words is "one hundred forty-two trillion, one hundred fifty-one billion, one hundred thirty-four million, two hundred twenty thousand, four hundred thirty-seven".