14545131257 has 2 divisors, whose sum is σ = 14545131258. Its totient is φ = 14545131256.

The previous prime is 14545131233. The next prime is 14545131283. The reversal of 14545131257 is 75213154541.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9567969856 + 4977161401 = 97816^2 + 70549^2 .

It is a cyclic number.

It is not a de Polignac number, because 14545131257 - 2⁸ = 14545131001 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14545131257.

It is not a weakly prime, because it can be changed into another prime (14545131857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7272565628 + 7272565629.

It is an arithmetic number, because the mean of its divisors is an integer number (7272565629).

Almost surely, 2^14545131257 is an apocalyptic number.

It is an amenable number.

14545131257 is a deficient number, since it is larger than the sum of its proper divisors (1).

14545131257 is an equidigital number, since it uses as much as digits as its factorization.

14545131257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 84000, while the sum is 38.

Adding to 14545131257 its reverse (75213154541), we get a palindrome (89758285798).

The spelling of 14545131257 in words is "fourteen billion, five hundred forty-five million, one hundred thirty-one thousand, two hundred fifty-seven".