152305214447 has 2 divisors, whose sum is σ = 152305214448. Its totient is φ = 152305214446.

The previous prime is 152305214441. The next prime is 152305214449. The reversal of 152305214447 is 744412503251.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-152305214447 is a prime.

Together with 152305214449, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 152305214447.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (152305214441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76152607223 + 76152607224.

It is an arithmetic number, because the mean of its divisors is an integer number (76152607224).

Almost surely, 2^152305214447 is an apocalyptic number.

152305214447 is a deficient number, since it is larger than the sum of its proper divisors (1).

152305214447 is an equidigital number, since it uses as much as digits as its factorization.

152305214447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 134400, while the sum is 38.

Adding to 152305214447 its reverse (744412503251), we get a palindrome (896717717698).

The spelling of 152305214447 in words is "one hundred fifty-two billion, three hundred five million, two hundred fourteen thousand, four hundred forty-seven".