1345243555524 has 384 divisors, whose sum is σ = 3784242954240. Its totient is φ = 367416000000.

The previous prime is 1345243555517. The next prime is 1345243555561. The reversal of 1345243555524 is 4255553425431.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1279964799 + ... + 1279965849.

It is an arithmetic number, because the mean of its divisors is an integer number (9854799360).

Almost surely, 2^{1345243555524} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1345243555524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1892121477120).

1345243555524 is an abundant number, since it is smaller than the sum of its proper divisors (2438999398716).

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

1345243555524 is a wasteful number, since it uses less digits than its factorization.

1345243555524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1383 (or 1381 counting only the distinct ones).

The product of its digits is 7200000, while the sum is 48.

The spelling of 1345243555524 in words is "one trillion, three hundred forty-five billion, two hundred forty-three million, five hundred fifty-five thousand, five hundred twenty-four".