1345243520204 has 24 divisors (see below), whose sum is σ = 2409068101440. Its totient is φ = 656940214224.

The previous prime is 1345243520167. The next prime is 1345243520219. The reversal of 1345243520204 is 4020253425431.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2771567 + ... + 3220569.

It is an arithmetic number, because the mean of its divisors is an integer number (100377837560).

Almost surely, 2^{1345243520204} is an apocalyptic number.

It is an amenable number.

1345243520204 is a deficient number, since it is larger than the sum of its proper divisors (1063824581236).

1345243520204 is a wasteful number, since it uses less digits than its factorization.

1345243520204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466469 (or 466467 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 1345243520204 its reverse (4020253425431), we get a palindrome (5365496945635).

The spelling of 1345243520204 in words is "one trillion, three hundred forty-five billion, two hundred forty-three million, five hundred twenty thousand, two hundred four".