1345453665634 has 16 divisors (see below), whose sum is σ = 2174442286968. Its totient is φ = 620688004992.

The previous prime is 1345453665629. The next prime is 1345453665643. The reversal of 1345453665634 is 4365663545431.

It can be written as a sum of positive squares in 4 ways, for example, as 233388508609 + 1112065157025 = 483103^2 + 1054545^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12052117 + ... + 12163240.

Almost surely, 2^{1345453665634} is an apocalyptic number.

1345453665634 is a deficient number, since it is larger than the sum of its proper divisors (828988621334).

1345453665634 is a wasteful number, since it uses less digits than its factorization.

1345453665634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24217509.

The product of its digits is 46656000, while the sum is 55.

The spelling of 1345453665634 in words is "one trillion, three hundred forty-five billion, four hundred fifty-three million, six hundred sixty-five thousand, six hundred thirty-four".