142003789 has 2 divisors, whose sum is σ = 142003790. Its totient is φ = 142003788.

The previous prime is 142003751. The next prime is 142003793. The reversal of 142003789 is 987300241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 118091689 + 23912100 = 10867^2 + 4890^2 .

It is a cyclic number.

It is not a de Polignac number, because 142003789 - 2⁷ = 142003661 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142004789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71001894 + 71001895.

It is an arithmetic number, because the mean of its divisors is an integer number (71001895).

Almost surely, 2^142003789 is an apocalyptic number.

It is an amenable number.

142003789 is a deficient number, since it is larger than the sum of its proper divisors (1).

142003789 is an equidigital number, since it uses as much as digits as its factorization.

142003789 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 142003789 is about 11916.5342696608. The cubic root of 142003789 is about 521.7149848692.

The spelling of 142003789 in words is "one hundred forty-two million, three thousand, seven hundred eighty-nine".