1345243561453 has 16 divisors (see below), whose sum is σ = 1480013700480. Its totient is φ = 1212573932800.

The previous prime is 1345243561423. The next prime is 1345243561463. The reversal of 1345243561453 is 3541653425431.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1345243561453 - 2²⁹ = 1344706690541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1345243561423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 732393 + ... + 1796353.

It is an arithmetic number, because the mean of its divisors is an integer number (92500856280).

Almost surely, 2^{1345243561453} is an apocalyptic number.

It is an amenable number.

1345243561453 is a deficient number, since it is larger than the sum of its proper divisors (134770139027).

1345243561453 is a wasteful number, since it uses less digits than its factorization.

1345243561453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064948.

The product of its digits is 2592000, while the sum is 46.

Adding to 1345243561453 its reverse (3541653425431), we get a palindrome (4886896986884).

The spelling of 1345243561453 in words is "one trillion, three hundred forty-five billion, two hundred forty-three million, five hundred sixty-one thousand, four hundred fifty-three".