52142802157 has 2 divisors, whose sum is σ = 52142802158. Its totient is φ = 52142802156.

The previous prime is 52142802139. The next prime is 52142802161. The reversal of 52142802157 is 75120824125.

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., 48679361956 + 3463440201 = 220634^2 + 58851^2 .

It is a cyclic number.

It is not a de Polignac number, because 52142802157 - 2²³ = 52134413549 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52142802197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26071401078 + 26071401079.

It is an arithmetic number, because the mean of its divisors is an integer number (26071401079).

Almost surely, 2^52142802157 is an apocalyptic number.

It is an amenable number.

52142802157 is a deficient number, since it is larger than the sum of its proper divisors (1).

52142802157 is an equidigital number, since it uses as much as digits as its factorization.

52142802157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 44800, while the sum is 37.

The spelling of 52142802157 in words is "fifty-two billion, one hundred forty-two million, eight hundred two thousand, one hundred fifty-seven".