2145145662536 has 64 divisors (see below), whose sum is σ = 4067625098880. Its totient is φ = 1060526776320.

The previous prime is 2145145662511. The next prime is 2145145662551. The reversal of 2145145662536 is 6352665415412.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 237211631 + ... + 237220673.

It is an arithmetic number, because the mean of its divisors is an integer number (63556642170).

Almost surely, 2^{2145145662536} is an apocalyptic number.

It is an amenable number.

2145145662536 is a deficient number, since it is larger than the sum of its proper divisors (1922479436344).

2145145662536 is a wasteful number, since it uses less digits than its factorization.

2145145662536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10134 (or 10130 counting only the distinct ones).

The product of its digits is 5184000, while the sum is 50.

The spelling of 2145145662536 in words is "two trillion, one hundred forty-five billion, one hundred forty-five million, six hundred sixty-two thousand, five hundred thirty-six".