105870044 has 24 divisors (see below), whose sum is σ = 215738208. Its totient is φ = 44516160.

The previous prime is 105870041. The next prime is 105870091. The reversal of 105870044 is 440078501.

It is a super-2 number, since 2×105870044² = 22416932433123872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105869989 and 105870016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105870041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34187 + ... + 37154.

It is an arithmetic number, because the mean of its divisors is an integer number (8989092).

Almost surely, 2^105870044 is an apocalyptic number.

105870044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

105870044 is an abundant number, since it is smaller than the sum of its proper divisors (109868164).

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

105870044 is a wasteful number, since it uses less digits than its factorization.

105870044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71405 (or 71403 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 29.

The square root of 105870044 is about 10289.3169841346. The cubic root of 105870044 is about 473.0688634770.

The spelling of 105870044 in words is "one hundred five million, eight hundred seventy thousand, forty-four".