142375729 has 2 divisors, whose sum is σ = 142375730. Its totient is φ = 142375728.

The previous prime is 142375693. The next prime is 142375733. The reversal of 142375729 is 927573241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 85599504 + 56776225 = 9252^2 + 7535^2 .

It is a cyclic number.

It is not a de Polignac number, because 142375729 - 2⁷ = 142375601 is a prime.

It is equal to p_8038786 and since 142375729 and 8038786 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 142375691 and 142375700.

It is not a weakly prime, because it can be changed into another prime (142375229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71187864 + 71187865.

It is an arithmetic number, because the mean of its divisors is an integer number (71187865).

Almost surely, 2^142375729 is an apocalyptic number.

It is an amenable number.

142375729 is a deficient number, since it is larger than the sum of its proper divisors (1).

142375729 is an equidigital number, since it uses as much as digits as its factorization.

142375729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 105840, while the sum is 40.

The square root of 142375729 is about 11932.1301115937. The cubic root of 142375729 is about 522.1700842286.

The spelling of 142375729 in words is "one hundred forty-two million, three hundred seventy-five thousand, seven hundred twenty-nine".