245365143165 has 32 divisors (see below), whose sum is σ = 437189466240. Its totient is φ = 130565979648.

The previous prime is 245365143143. The next prime is 245365143227. The reversal of 245365143165 is 561341563542.

It is a happy number.

245365143165 is a `hidden beast` number, since 2 + 4 + 536 + 51 + 4 + 3 + 1 + 65 = 666.

It is not a de Polignac number, because 245365143165 - 2¹⁷ = 245365012093 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 245365143165.

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, 1991572 + ... + 2111181.

It is an arithmetic number, because the mean of its divisors is an integer number (13662170820).

Almost surely, 2^245365143165 is an apocalyptic number.

It is an amenable number.

245365143165 is a deficient number, since it is larger than the sum of its proper divisors (191824323075).

245365143165 is a wasteful number, since it uses less digits than its factorization.

245365143165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4103210 (or 4103204 counting only the distinct ones).

The product of its digits is 1296000, while the sum is 45.

The spelling of 245365143165 in words is "two hundred forty-five billion, three hundred sixty-five million, one hundred forty-three thousand, one hundred sixty-five".