1144156843938 has 16 divisors (see below), whose sum is σ = 2288382137280. Its totient is φ = 381374206416.

The previous prime is 1144156843933. The next prime is 1144156843981. The reversal of 1144156843938 is 8393486514411.

It is not an unprimeable number, because it can be changed into a prime (1144156843931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2633470 + ... + 3037017.

It is an arithmetic number, because the mean of its divisors is an integer number (143023883580).

Almost surely, 2^{1144156843938} is an apocalyptic number.

1144156843938 is an abundant number, since it is smaller than the sum of its proper divisors (1144225293342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1144156843938 is a wasteful number, since it uses less digits than its factorization.

1144156843938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5704121.

The product of its digits is 9953280, while the sum is 57.

The spelling of 1144156843938 in words is "one trillion, one hundred forty-four billion, one hundred fifty-six million, eight hundred forty-three thousand, nine hundred thirty-eight".