142245123374987 has 2 divisors, whose sum is σ = 142245123374988. Its totient is φ = 142245123374986.

The previous prime is 142245123374951. The next prime is 142245123375031. The reversal of 142245123374987 is 789473321542241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142245123374987 - 2¹² = 142245123370891 is a prime.

It is not a weakly prime, because it can be changed into another prime (142245123374087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71122561687493 + 71122561687494.

It is an arithmetic number, because the mean of its divisors is an integer number (71122561687494).

Almost surely, 2^{142245123374987} is an apocalyptic number.

142245123374987 is a deficient number, since it is larger than the sum of its proper divisors (1).

142245123374987 is an equidigital number, since it uses as much as digits as its factorization.

142245123374987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81285120, while the sum is 62.

The spelling of 142245123374987 in words is "one hundred forty-two trillion, two hundred forty-five billion, one hundred twenty-three million, three hundred seventy-four thousand, nine hundred eighty-seven".