158645801137 has 2 divisors, whose sum is σ = 158645801138. Its totient is φ = 158645801136.

The previous prime is 158645801117. The next prime is 158645801141. The reversal of 158645801137 is 731108546851.

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., 156543670336 + 2102130801 = 395656^2 + 45849^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-158645801137 is a prime.

It is not a weakly prime, because it can be changed into another prime (158645801117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79322900568 + 79322900569.

It is an arithmetic number, because the mean of its divisors is an integer number (79322900569).

Almost surely, 2^158645801137 is an apocalyptic number.

It is an amenable number.

158645801137 is a deficient number, since it is larger than the sum of its proper divisors (1).

158645801137 is an equidigital number, since it uses as much as digits as its factorization.

158645801137 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 806400, while the sum is 49.

The spelling of 158645801137 in words is "one hundred fifty-eight billion, six hundred forty-five million, eight hundred one thousand, one hundred thirty-seven".