1345044156664 has 32 divisors (see below), whose sum is σ = 2716016476320. Its totient is φ = 620775455616.

The previous prime is 1345044156637. The next prime is 1345044156683. The reversal of 1345044156664 is 4666514405431.

It is a congruent 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, 5453437 + ... + 5694739.

It is an arithmetic number, because the mean of its divisors is an integer number (84875514885).

Almost surely, 2^{1345044156664} is an apocalyptic number.

It is an amenable number.

1345044156664 is an abundant number, since it is smaller than the sum of its proper divisors (1370972319656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1345044156664 is a wasteful number, since it uses less digits than its factorization.

1345044156664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294919 (or 294915 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 49.

The spelling of 1345044156664 in words is "one trillion, three hundred forty-five billion, forty-four million, one hundred fifty-six thousand, six hundred sixty-four".