502556643145 has 32 divisors (see below), whose sum is σ = 629040867840. Its totient is φ = 385182155520.

The previous prime is 502556643107. The next prime is 502556643157. The reversal of 502556643145 is 541346655205.

It is a de Polignac number, because none of the positive numbers 2^k-502556643145 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 502556643095 and 502556643104.

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, 2007855 + ... + 2244235.

It is an arithmetic number, because the mean of its divisors is an integer number (19657527120).

Almost surely, 2^502556643145 is an apocalyptic number.

It is an amenable number.

502556643145 is a deficient number, since it is larger than the sum of its proper divisors (126484224695).

502556643145 is a wasteful number, since it uses less digits than its factorization.

502556643145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236625.

The product of its (nonzero) digits is 2160000, while the sum is 46.

The spelling of 502556643145 in words is "five hundred two billion, five hundred fifty-six million, six hundred forty-three thousand, one hundred forty-five".