142035530257 has 2 divisors, whose sum is σ = 142035530258. Its totient is φ = 142035530256.

The previous prime is 142035530227. The next prime is 142035530261. The reversal of 142035530257 is 752035530241.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141138467856 + 897062401 = 375684^2 + 29951^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142035530257 is a prime.

It is not a weakly prime, because it can be changed into another prime (142035530227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71017765128 + 71017765129.

It is an arithmetic number, because the mean of its divisors is an integer number (71017765129).

Almost surely, 2^142035530257 is an apocalyptic number.

It is an amenable number.

142035530257 is a deficient number, since it is larger than the sum of its proper divisors (1).

142035530257 is an equidigital number, since it uses as much as digits as its factorization.

142035530257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 126000, while the sum is 37.

The spelling of 142035530257 in words is "one hundred forty-two billion, thirty-five million, five hundred thirty thousand, two hundred fifty-seven".