205215141 has 8 divisors (see below), whose sum is σ = 274405600. Its totient is φ = 136417392.

The previous prime is 205215103. The next prime is 205215151. The reversal of 205215141 is 141512502.

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

It is not a de Polignac number, because 205215141 - 2¹⁷ = 205084069 is a prime.

It is a super-2 number, since 2×205215141² = 84226508191299762, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (205215151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96955 + ... + 99048.

It is an arithmetic number, because the mean of its divisors is an integer number (34300700).

Almost surely, 2^205215141 is an apocalyptic number.

It is an amenable number.

205215141 is a deficient number, since it is larger than the sum of its proper divisors (69190459).

205215141 is a wasteful number, since it uses less digits than its factorization.

205215141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196355.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 205215141 is about 14325.3321427463. The cubic root of 205215141 is about 589.8430502759.

Adding to 205215141 its reverse (141512502), we get a palindrome (346727643).

The spelling of 205215141 in words is "two hundred five million, two hundred fifteen thousand, one hundred forty-one".