1385112443 has 16 divisors (see below), whose sum is σ = 1628315136. Its totient is φ = 1161582240.

The previous prime is 1385112433. The next prime is 1385112461. The reversal of 1385112443 is 3442115831.

It is a de Polignac number, because none of the positive numbers 2^k-1385112443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1385112433) 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 15 ways as a sum of consecutive naturals, for example, 404846 + ... + 408252.

It is an arithmetic number, because the mean of its divisors is an integer number (101769696).

Almost surely, 2^1385112443 is an apocalyptic number.

1385112443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1385112443 is a deficient number, since it is larger than the sum of its proper divisors (243202693).

1385112443 is a wasteful number, since it uses less digits than its factorization.

1385112443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6274.

The product of its digits is 11520, while the sum is 32.

The square root of 1385112443 is about 37217.0987988048. The cubic root of 1385112443 is about 1114.7094346323.

The spelling of 1385112443 in words is "one billion, three hundred eighty-five million, one hundred twelve thousand, four hundred forty-three".