205345151 has 8 divisors (see below), whose sum is σ = 227357184. Its totient is φ = 183890520.

The previous prime is 205345121. The next prime is 205345163. The reversal of 205345151 is 151543502.

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

It is not a de Polignac number, because 205345151 - 2¹⁸ = 205083007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 205345151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205345121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 138575 + ... + 140048.

It is an arithmetic number, because the mean of its divisors is an integer number (28419648).

Almost surely, 2^205345151 is an apocalyptic number.

205345151 is a deficient number, since it is larger than the sum of its proper divisors (22012033).

205345151 is a wasteful number, since it uses less digits than its factorization.

205345151 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278701.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 205345151 is about 14329.8691899124. The cubic root of 205345151 is about 589.9675851195.

Adding to 205345151 its reverse (151543502), we get a palindrome (356888653).

It can be divided in two parts, 2053451 and 51, that added together give a palindrome (2053502).

The spelling of 205345151 in words is "two hundred five million, three hundred forty-five thousand, one hundred fifty-one".