142854887999 has 2 divisors, whose sum is σ = 142854888000. Its totient is φ = 142854887998.

The previous prime is 142854887963. The next prime is 142854888049. The reversal of 142854887999 is 999788458241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 142854887999 - 2⁸ = 142854887743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142854887939) 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, 71427443999 + 71427444000.

It is an arithmetic number, because the mean of its divisors is an integer number (71427444000).

Almost surely, 2^142854887999 is an apocalyptic number.

142854887999 is a deficient number, since it is larger than the sum of its proper divisors (1).

142854887999 is an equidigital number, since it uses as much as digits as its factorization.

142854887999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 418037760, while the sum is 74.

The spelling of 142854887999 in words is "one hundred forty-two billion, eight hundred fifty-four million, eight hundred eighty-seven thousand, nine hundred ninety-nine".