205464245 has 8 divisors (see below), whose sum is σ = 281779584. Its totient is φ = 140889744.

The previous prime is 205464229. The next prime is 205464251. The reversal of 205464245 is 542464502.

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 205464245 - 2⁴ = 205464229 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 2935169 + ... + 2935238.

It is an arithmetic number, because the mean of its divisors is an integer number (35222448).

Almost surely, 2^205464245 is an apocalyptic number.

It is an amenable number.

205464245 is a deficient number, since it is larger than the sum of its proper divisors (76315339).

205464245 is an equidigital number, since it uses as much as digits as its factorization.

205464245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5870419.

The product of its (nonzero) digits is 38400, while the sum is 32.

The square root of 205464245 is about 14334.0240337457. The cubic root of 205464245 is about 590.0816175512.

The spelling of 205464245 in words is "two hundred five million, four hundred sixty-four thousand, two hundred forty-five".