61143344 has 20 divisors (see below), whose sum is σ = 120702096. Its totient is φ = 29994432.

The previous prime is 61143343. The next prime is 61143353. The reversal of 61143344 is 44334116.

61143344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (61143343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35204 + ... + 36899.

Almost surely, 2^61143344 is an apocalyptic number.

It is an amenable number.

61143344 is a deficient number, since it is larger than the sum of its proper divisors (59558752).

61143344 is a wasteful number, since it uses less digits than its factorization.

61143344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72164 (or 72158 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The square root of 61143344 is about 7819.4209504285. The cubic root of 61143344 is about 393.9578231369.

The spelling of 61143344 in words is "sixty-one million, one hundred forty-three thousand, three hundred forty-four".