142881631903 has 2 divisors, whose sum is σ = 142881631904. Its totient is φ = 142881631902.

The previous prime is 142881631889. The next prime is 142881631969. The reversal of 142881631903 is 309136188241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142881631903 - 2¹³ = 142881623711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142881635903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71440815951 + 71440815952.

It is an arithmetic number, because the mean of its divisors is an integer number (71440815952).

Almost surely, 2^142881631903 is an apocalyptic number.

142881631903 is a deficient number, since it is larger than the sum of its proper divisors (1).

142881631903 is an equidigital number, since it uses as much as digits as its factorization.

142881631903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 46.

The spelling of 142881631903 in words is "one hundred forty-two billion, eight hundred eighty-one million, six hundred thirty-one thousand, nine hundred three".