1002145513044 has 96 divisors (see below), whose sum is σ = 2522401283584. Its totient is φ = 307840020480.

The previous prime is 1002145513013. The next prime is 1002145513051. The reversal of 1002145513044 is 4403155412001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 386479812 + ... + 386482404.

Almost surely, 2^{1002145513044} is an apocalyptic number.

It is an amenable number.

1002145513044 is an abundant number, since it is smaller than the sum of its proper divisors (1520255770540).

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

1002145513044 is a wasteful number, since it uses less digits than its factorization.

1002145513044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5777 (or 5775 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 1002145513044 in words is "one trillion, two billion, one hundred forty-five million, five hundred thirteen thousand, forty-four".