105143044 has 6 divisors (see below), whose sum is σ = 184000334. Its totient is φ = 52571520.

The previous prime is 105143039. The next prime is 105143047. The reversal of 105143044 is 440341501.

It can be written as a sum of positive squares in only one way, i.e., 102212100 + 2930944 = 10110^2 + 1712^2 .

It is a super-2 number, since 2×105143044² = 22110119403171872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105143047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13142877 + ... + 13142884.

Almost surely, 2^105143044 is an apocalyptic number.

It is an amenable number.

105143044 is a deficient number, since it is larger than the sum of its proper divisors (78857290).

105143044 is a wasteful number, since it uses less digits than its factorization.

105143044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26285765 (or 26285763 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 105143044 is about 10253.9282228812. The cubic root of 105143044 is about 471.9835350476.

Adding to 105143044 its reverse (440341501), we get a palindrome (545484545).

The spelling of 105143044 in words is "one hundred five million, one hundred forty-three thousand, forty-four".