385283245 has 8 divisors (see below), whose sum is σ = 462452760. Its totient is φ = 308151360.

The previous prime is 385283233. The next prime is 385283251. The reversal of 385283245 is 542382583.

It can be written as a sum of positive squares in 4 ways, for example, as 163481796 + 221801449 = 12786^2 + 14893^2 .

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

It is not a de Polignac number, because 385283245 - 2¹⁵ = 385250477 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 385283198 and 385283207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23755 + ... + 36535.

It is an arithmetic number, because the mean of its divisors is an integer number (57806595).

Almost surely, 2^385283245 is an apocalyptic number.

It is an amenable number.

385283245 is a deficient number, since it is larger than the sum of its proper divisors (77169515).

385283245 is a wasteful number, since it uses less digits than its factorization.

385283245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18815.

The product of its digits is 230400, while the sum is 40.

The square root of 385283245 is about 19628.6332942464. The cubic root of 385283245 is about 727.6569934722.

The spelling of 385283245 in words is "three hundred eighty-five million, two hundred eighty-three thousand, two hundred forty-five".