205145224162 has 8 divisors (see below), whose sum is σ = 307749657600. Its totient is φ = 102562004964.

The previous prime is 205145224127. The next prime is 205145224169. The reversal of 205145224162 is 261422541502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (205145224169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5279362 + ... + 5318077.

It is an arithmetic number, because the mean of its divisors is an integer number (38468707200).

Almost surely, 2^205145224162 is an apocalyptic number.

205145224162 is a deficient number, since it is larger than the sum of its proper divisors (102604433438).

205145224162 is a wasteful number, since it uses less digits than its factorization.

205145224162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10607120.

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 205145224162 its reverse (261422541502), we get a palindrome (466567765664).

The spelling of 205145224162 in words is "two hundred five billion, one hundred forty-five million, two hundred twenty-four thousand, one hundred sixty-two".