245365143205 has 16 divisors (see below), whose sum is σ = 362385442944. Its totient is φ = 155308046400.

The previous prime is 245365143143. The next prime is 245365143227. The reversal of 245365143205 is 502341563542.

It is not a de Polignac number, because 245365143205 - 2²¹ = 245363046053 is a prime.

It is a congruent number.

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, 269631571 + ... + 269632480.

It is an arithmetic number, because the mean of its divisors is an integer number (22649090184).

Almost surely, 2^245365143205 is an apocalyptic number.

It is an amenable number.

245365143205 is a deficient number, since it is larger than the sum of its proper divisors (117020299739).

245365143205 is a wasteful number, since it uses less digits than its factorization.

245365143205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539264076.

The product of its (nonzero) digits is 432000, while the sum is 40.

The spelling of 245365143205 in words is "two hundred forty-five billion, three hundred sixty-five million, one hundred forty-three thousand, two hundred five".