105143045 has 16 divisors (see below), whose sum is σ = 152679168. Its totient is φ = 67856640.

The previous prime is 105143039. The next prime is 105143047. The reversal of 105143045 is 540341501.

It is not a de Polignac number, because 105143045 - 2⁴ = 105143029 is a prime.

It is a super-2 number, since 2×105143045² = 22110119823744050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 105143045.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87761 + ... + 88950.

It is an arithmetic number, because the mean of its divisors is an integer number (9542448).

Almost surely, 2^105143045 is an apocalyptic number.

It is an amenable number.

105143045 is a deficient number, since it is larger than the sum of its proper divisors (47536123).

105143045 is a wasteful number, since it uses less digits than its factorization.

105143045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176740.

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 105143045 is about 10253.9282716430. The cubic root of 105143045 is about 471.9835365439.

Adding to 105143045 its reverse (540341501), we get a palindrome (645484546).

The spelling of 105143045 in words is "one hundred five million, one hundred forty-three thousand, forty-five".