142278945371 has 2 divisors, whose sum is σ = 142278945372. Its totient is φ = 142278945370.

The previous prime is 142278945349. The next prime is 142278945437. The reversal of 142278945371 is 173549872241.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142278945371 is a prime.

It is not a weakly prime, because it can be changed into another prime (142278945311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71139472685 + 71139472686.

It is an arithmetic number, because the mean of its divisors is an integer number (71139472686).

Almost surely, 2^142278945371 is an apocalyptic number.

142278945371 is a deficient number, since it is larger than the sum of its proper divisors (1).

142278945371 is an equidigital number, since it uses as much as digits as its factorization.

142278945371 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3386880, while the sum is 53.

It can be divided in two parts, 14227 and 8945371, that added together give a palindrome (8959598).

The spelling of 142278945371 in words is "one hundred forty-two billion, two hundred seventy-eight million, nine hundred forty-five thousand, three hundred seventy-one".