105439044 has 36 divisors (see below), whose sum is σ = 252219632. Its totient is φ = 34282560.

The previous prime is 105439043. The next prime is 105439063. The reversal of 105439044 is 440934501.

It is a super-2 number, since 2×105439044² = 22234783999267872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105439043) 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 11 ways as a sum of consecutive naturals, for example, 17559 + ... + 22785.

Almost surely, 2^105439044 is an apocalyptic number.

It is an amenable number.

105439044 is an abundant number, since it is smaller than the sum of its proper divisors (146780588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

105439044 is a wasteful number, since it uses less digits than its factorization.

105439044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5316 (or 5273 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 105439044 is about 10268.3515716984. The cubic root of 105439044 is about 472.4260313649.

The spelling of 105439044 in words is "one hundred five million, four hundred thirty-nine thousand, forty-four".