1443204455139 has 32 divisors (see below), whose sum is σ = 2167584379200. Its totient is φ = 948862252800.

The previous prime is 1443204455107. The next prime is 1443204455159. The reversal of 1443204455139 is 9315544023441.

It is a happy number.

1443204455139 is a `hidden beast` number, since 1 + 4 + 4 + 3 + 20 + 44 + 551 + 39 = 666.

It is not a de Polignac number, because 1443204455139 - 2⁵ = 1443204455107 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1443204455094 and 1443204455103.

It is not an unprimeable number, because it can be changed into a prime (1443204455159) 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 31 ways as a sum of consecutive naturals, for example, 23820817 + ... + 23881325.

It is an arithmetic number, because the mean of its divisors is an integer number (67737011850).

Almost surely, 2^{1443204455139} is an apocalyptic number.

1443204455139 is a deficient number, since it is larger than the sum of its proper divisors (724379924061).

1443204455139 is a wasteful number, since it uses less digits than its factorization.

1443204455139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72692 (or 72686 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 1443204455139 in words is "one trillion, four hundred forty-three billion, two hundred four million, four hundred fifty-five thousand, one hundred thirty-nine".