205465115 has 8 divisors (see below), whose sum is σ = 248129520. Its totient is φ = 163324512.

The previous prime is 205465103. The next prime is 205465123. The reversal of 205465115 is 511564502.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 205465115 - 2²⁴ = 188687899 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130085 + ... + 131654.

It is an arithmetic number, because the mean of its divisors is an integer number (31016190).

Almost surely, 2^205465115 is an apocalyptic number.

205465115 is a deficient number, since it is larger than the sum of its proper divisors (42664405).

205465115 is a wasteful number, since it uses less digits than its factorization.

205465115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261901.

The product of its (nonzero) digits is 6000, while the sum is 29.

The square root of 205465115 is about 14334.0543810884. The cubic root of 205465115 is about 590.0824504135.

The spelling of 205465115 in words is "two hundred five million, four hundred sixty-five thousand, one hundred fifteen".