1145465047457 has 2 divisors, whose sum is σ = 1145465047458. Its totient is φ = 1145465047456.

The previous prime is 1145465047357. The next prime is 1145465047499. The reversal of 1145465047457 is 7547405645411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 665609590801 + 479855456656 = 815849^2 + 692716^2 .

It is a cyclic number.

It is not a de Polignac number, because 1145465047457 - 2⁸ = 1145465047201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1145465047399 and 1145465047408.

It is not a weakly prime, because it can be changed into another prime (1145465047057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 572732523728 + 572732523729.

It is an arithmetic number, because the mean of its divisors is an integer number (572732523729).

Almost surely, 2^{1145465047457} is an apocalyptic number.

It is an amenable number.

1145465047457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1145465047457 is an equidigital number, since it uses as much as digits as its factorization.

1145465047457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9408000, while the sum is 53.

The spelling of 1145465047457 in words is "one trillion, one hundred forty-five billion, four hundred sixty-five million, forty-seven thousand, four hundred fifty-seven".