142003859 has 2 divisors, whose sum is σ = 142003860. Its totient is φ = 142003858.

The previous prime is 142003847. The next prime is 142003871. The reversal of 142003859 is 958300241.

It is a balanced prime because it is at equal distance from previous prime (142003847) and next prime (142003871).

It is a cyclic number.

It is not a de Polignac number, because 142003859 - 2¹⁶ = 141938323 is a prime.

It is not a weakly prime, because it can be changed into another prime (142003819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71001929 + 71001930.

It is an arithmetic number, because the mean of its divisors is an integer number (71001930).

Almost surely, 2^142003859 is an apocalyptic number.

142003859 is a deficient number, since it is larger than the sum of its proper divisors (1).

142003859 is an equidigital number, since it uses as much as digits as its factorization.

142003859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 142003859 is about 11916.5372067560. The cubic root of 142003859 is about 521.7150705947.

The spelling of 142003859 in words is "one hundred forty-two million, three thousand, eight hundred fifty-nine".