385253445 has 16 divisors (see below), whose sum is σ = 622762560. Its totient is φ = 203349504.

The previous prime is 385253441. The next prime is 385253459. The reversal of 385253445 is 544352583.

It is a happy number.

It is not a de Polignac number, because 385253445 - 2² = 385253441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385253441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130935 + ... + 133844.

It is an arithmetic number, because the mean of its divisors is an integer number (38922660).

Almost surely, 2^385253445 is an apocalyptic number.

It is an amenable number.

385253445 is a deficient number, since it is larger than the sum of its proper divisors (237509115).

385253445 is a wasteful number, since it uses less digits than its factorization.

385253445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264884.

The product of its digits is 288000, while the sum is 39.

The square root of 385253445 is about 19627.8741844347. The cubic root of 385253445 is about 727.6382326101.

The spelling of 385253445 in words is "three hundred eighty-five million, two hundred fifty-three thousand, four hundred forty-five".