105143104 has 28 divisors (see below), whose sum is σ = 227612448. Its totient is φ = 47792000.

The previous prime is 105143099. The next prime is 105143107. The reversal of 105143104 is 401341501.

It is a super-2 number, since 2×105143104² = 22110144637509632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (105143107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 73972 + ... + 75379.

It is an arithmetic number, because the mean of its divisors is an integer number (8129016).

Almost surely, 2^105143104 is an apocalyptic number.

It is an amenable number.

105143104 is an abundant number, since it is smaller than the sum of its proper divisors (122469344).

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

105143104 is a wasteful number, since it uses less digits than its factorization.

105143104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149374 (or 149364 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 105143104 is about 10253.9311485888. The cubic root of 105143104 is about 471.9836248269.

Adding to 105143104 its reverse (401341501), we get a palindrome (506484605).

The spelling of 105143104 in words is "one hundred five million, one hundred forty-three thousand, one hundred four".