1145323413497 has 2 divisors, whose sum is σ = 1145323413498. Its totient is φ = 1145323413496.

The previous prime is 1145323413463. The next prime is 1145323413529. The reversal of 1145323413497 is 7943143235411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1129078381561 + 16245031936 = 1062581^2 + 127456^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1145323413497 is a prime.

It is not a weakly prime, because it can be changed into another prime (1145323413457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572661706748 + 572661706749.

It is an arithmetic number, because the mean of its divisors is an integer number (572661706749).

Almost surely, 2^{1145323413497} is an apocalyptic number.

It is an amenable number.

1145323413497 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145323413497 is an equidigital number, since it uses as much as digits as its factorization.

1145323413497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1088640, while the sum is 47.

The spelling of 1145323413497 in words is "one trillion, one hundred forty-five billion, three hundred twenty-three million, four hundred thirteen thousand, four hundred ninety-seven".