104561144 has 8 divisors (see below), whose sum is σ = 196052160. Its totient is φ = 52280568.

The previous prime is 104561141. The next prime is 104561183. The reversal of 104561144 is 441165401.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (104561141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6535064 + ... + 6535079.

It is an arithmetic number, because the mean of its divisors is an integer number (24506520).

Almost surely, 2^104561144 is an apocalyptic number.

It is an amenable number.

104561144 is a deficient number, since it is larger than the sum of its proper divisors (91491016).

104561144 is a wasteful number, since it uses less digits than its factorization.

104561144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13070149 (or 13070145 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 104561144 is about 10225.5143635907. The cubic root of 104561144 is about 471.1112140705. Note that the first 3 decimals are identical.

The spelling of 104561144 in words is "one hundred four million, five hundred sixty-one thousand, one hundred forty-four".