1144939569445 has 32 divisors (see below), whose sum is σ = 1607430857472. Its totient is φ = 766503585792.

The previous prime is 1144939569413. The next prime is 1144939569451. The reversal of 1144939569445 is 5449659394411.

It is a happy number.

It is not a de Polignac number, because 1144939569445 - 2⁵ = 1144939569413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3253519 + ... + 3588211.

It is an arithmetic number, because the mean of its divisors is an integer number (50232214296).

Almost surely, 2^{1144939569445} is an apocalyptic number.

It is an amenable number.

1144939569445 is a deficient number, since it is larger than the sum of its proper divisors (462491288027).

1144939569445 is a wasteful number, since it uses less digits than its factorization.

1144939569445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337021.

The product of its digits is 83980800, while the sum is 64.

The spelling of 1144939569445 in words is "one trillion, one hundred forty-four billion, nine hundred thirty-nine million, five hundred sixty-nine thousand, four hundred forty-five".