142858585729 has 2 divisors, whose sum is σ = 142858585730. Its totient is φ = 142858585728.

The previous prime is 142858585721. The next prime is 142858585733. The reversal of 142858585729 is 927585858241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79173016129 + 63685569600 = 281377^2 + 252360^2 .

It is a cyclic number.

It is not a de Polignac number, because 142858585729 - 2³ = 142858585721 is a prime.

It is a super-2 number, since 2×142858585729² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (142858585721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71429292864 + 71429292865.

It is an arithmetic number, because the mean of its divisors is an integer number (71429292865).

Almost surely, 2^142858585729 is an apocalyptic number.

It is an amenable number.

142858585729 is a deficient number, since it is larger than the sum of its proper divisors (1).

142858585729 is an equidigital number, since it uses as much as digits as its factorization.

142858585729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64512000, while the sum is 64.

The spelling of 142858585729 in words is "one hundred forty-two billion, eight hundred fifty-eight million, five hundred eighty-five thousand, seven hundred twenty-nine".