43243312144 has 10 divisors (see below), whose sum is σ = 83783917310. Its totient is φ = 21621656064.

The previous prime is 43243312129. The next prime is 43243312153. The reversal of 43243312144 is 44121334234.

It can be written as a sum of positive squares in only one way, i.e., 39656739600 + 3586572544 = 199140^2 + 59888^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1351353489 + ... + 1351353520.

It is an arithmetic number, because the mean of its divisors is an integer number (8378391731).

Almost surely, 2^43243312144 is an apocalyptic number.

It is an amenable number.

43243312144 is a deficient number, since it is larger than the sum of its proper divisors (40540605166).

43243312144 is a wasteful number, since it uses less digits than its factorization.

43243312144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2702707017 (or 2702707011 counting only the distinct ones).

The product of its digits is 27648, while the sum is 31.

Adding to 43243312144 its reverse (44121334234), we get a palindrome (87364646378).

The spelling of 43243312144 in words is "forty-three billion, two hundred forty-three million, three hundred twelve thousand, one hundred forty-four".