143847455249513 has 2 divisors, whose sum is σ = 143847455249514. Its totient is φ = 143847455249512.

The previous prime is 143847455249461. The next prime is 143847455249527. The reversal of 143847455249513 is 315942554748341.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 138042690210649 + 5804765038864 = 11749157^2 + 2409308^2 .

It is an emirp because it is prime and its reverse (315942554748341) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 143847455249513 - 2⁴⁴ = 126255269205097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 143847455249513.

It is not a weakly prime, because it can be changed into another prime (143847455219513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71923727624756 + 71923727624757.

It is an arithmetic number, because the mean of its divisors is an integer number (71923727624757).

Almost surely, 2^{143847455249513} is an apocalyptic number.

It is an amenable number.

143847455249513 is a deficient number, since it is larger than the sum of its proper divisors (1).

143847455249513 is an equidigital number, since it uses as much as digits as its factorization.

143847455249513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304000, while the sum is 65.

The spelling of 143847455249513 in words is "one hundred forty-three trillion, eight hundred forty-seven billion, four hundred fifty-five million, two hundred forty-nine thousand, five hundred thirteen".