385444142 has 8 divisors (see below), whose sum is σ = 596816832. Its totient is φ = 186505200.

The previous prime is 385444141. The next prime is 385444153. The reversal of 385444142 is 241444583.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385444141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3108359 + ... + 3108482.

It is an arithmetic number, because the mean of its divisors is an integer number (74602104).

Almost surely, 2^385444142 is an apocalyptic number.

385444142 is a deficient number, since it is larger than the sum of its proper divisors (211372690).

385444142 is a wasteful number, since it uses less digits than its factorization.

385444142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6216874.

The product of its digits is 61440, while the sum is 35.

The square root of 385444142 is about 19632.7313942813. The cubic root of 385444142 is about 727.7582709394.

The spelling of 385444142 in words is "three hundred eighty-five million, four hundred forty-four thousand, one hundred forty-two".