142247622887 has 2 divisors, whose sum is σ = 142247622888. Its totient is φ = 142247622886.

The previous prime is 142247622877. The next prime is 142247622931. The reversal of 142247622887 is 788226742241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142247622887 - 2¹⁰ = 142247621863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142247622877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71123811443 + 71123811444.

It is an arithmetic number, because the mean of its divisors is an integer number (71123811444).

Almost surely, 2^142247622887 is an apocalyptic number.

142247622887 is a deficient number, since it is larger than the sum of its proper divisors (1).

142247622887 is an equidigital number, since it uses as much as digits as its factorization.

142247622887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4816896, while the sum is 53.

The spelling of 142247622887 in words is "one hundred forty-two billion, two hundred forty-seven million, six hundred twenty-two thousand, eight hundred eighty-seven".