109143844 has 6 divisors (see below), whose sum is σ = 191001734. Its totient is φ = 54571920.

The previous prime is 109143799. The next prime is 109143851. The reversal of 109143844 is 448341901.

It can be written as a sum of positive squares in only one way, i.e., 72080100 + 37063744 = 8490^2 + 6088^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13642977 + ... + 13642984.

Almost surely, 2^109143844 is an apocalyptic number.

It is an amenable number.

109143844 is a deficient number, since it is larger than the sum of its proper divisors (81857890).

109143844 is a wasteful number, since it uses less digits than its factorization.

109143844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27285965 (or 27285963 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 109143844 is about 10447.1931158565. The cubic root of 109143844 is about 477.8956548203.

The spelling of 109143844 in words is "one hundred nine million, one hundred forty-three thousand, eight hundred forty-four".