72145241263 has 2 divisors, whose sum is σ = 72145241264. Its totient is φ = 72145241262.

The previous prime is 72145241227. The next prime is 72145241293. The reversal of 72145241263 is 36214254127.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-72145241263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (72145241293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36072620631 + 36072620632.

It is an arithmetic number, because the mean of its divisors is an integer number (36072620632).

Almost surely, 2^72145241263 is an apocalyptic number.

72145241263 is a deficient number, since it is larger than the sum of its proper divisors (1).

72145241263 is an equidigital number, since it uses as much as digits as its factorization.

72145241263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 37.

The spelling of 72145241263 in words is "seventy-two billion, one hundred forty-five million, two hundred forty-one thousand, two hundred sixty-three".