15245238137 has 2 divisors, whose sum is σ = 15245238138. Its totient is φ = 15245238136.

The previous prime is 15245238109. The next prime is 15245238199. The reversal of 15245238137 is 73183254251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9337163641 + 5908074496 = 96629^2 + 76864^2 .

It is a cyclic number.

It is not a de Polignac number, because 15245238137 - 2⁸ = 15245237881 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 15245238094 and 15245238103.

It is not a weakly prime, because it can be changed into another prime (15245238037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7622619068 + 7622619069.

It is an arithmetic number, because the mean of its divisors is an integer number (7622619069).

Almost surely, 2^15245238137 is an apocalyptic number.

It is an amenable number.

15245238137 is a deficient number, since it is larger than the sum of its proper divisors (1).

15245238137 is an equidigital number, since it uses as much as digits as its factorization.

15245238137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 201600, while the sum is 41.

The spelling of 15245238137 in words is "fifteen billion, two hundred forty-five million, two hundred thirty-eight thousand, one hundred thirty-seven".