1445717137 has 2 divisors, whose sum is σ = 1445717138. Its totient is φ = 1445717136.

The previous prime is 1445717129. The next prime is 1445717173. The reversal of 1445717137 is 7317175441.

Together with next prime (1445717173) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1430654976 + 15062161 = 37824^2 + 3881^2 .

It is a cyclic number.

It is not a de Polignac number, because 1445717137 - 2³ = 1445717129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1445717137.

It is not a weakly prime, because it can be changed into another prime (1445717107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722858568 + 722858569.

It is an arithmetic number, because the mean of its divisors is an integer number (722858569).

Almost surely, 2^1445717137 is an apocalyptic number.

It is an amenable number.

1445717137 is a deficient number, since it is larger than the sum of its proper divisors (1).

1445717137 is an equidigital number, since it uses as much as digits as its factorization.

1445717137 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82320, while the sum is 40.

The square root of 1445717137 is about 38022.5871949819. The cubic root of 1445717137 is about 1130.7357145369.

The spelling of 1445717137 in words is "one billion, four hundred forty-five million, seven hundred seventeen thousand, one hundred thirty-seven".