1345606455857 has 2 divisors, whose sum is σ = 1345606455858. Its totient is φ = 1345606455856.

The previous prime is 1345606455833. The next prime is 1345606455881. The reversal of 1345606455857 is 7585546065431.

It is a balanced prime because it is at equal distance from previous prime (1345606455833) and next prime (1345606455881).

It can be written as a sum of positive squares in only one way, i.e., 1332463896976 + 13142558881 = 1154324^2 + 114641^2 .

It is an emirp because it is prime and its reverse (7585546065431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1345606455857 - 2⁸ = 1345606455601 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1345606455796 and 1345606455805.

It is not a weakly prime, because it can be changed into another prime (1345606425857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 672803227928 + 672803227929.

It is an arithmetic number, because the mean of its divisors is an integer number (672803227929).

Almost surely, 2^{1345606455857} is an apocalyptic number.

It is an amenable number.

1345606455857 is a deficient number, since it is larger than the sum of its proper divisors (1).

1345606455857 is an equidigital number, since it uses as much as digits as its factorization.

1345606455857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60480000, while the sum is 59.

The spelling of 1345606455857 in words is "one trillion, three hundred forty-five billion, six hundred six million, four hundred fifty-five thousand, eight hundred fifty-seven".