105045243 has 8 divisors (see below), whose sum is σ = 147432000. Its totient is φ = 66344328.

The previous prime is 105045211. The next prime is 105045247. The reversal of 105045243 is 342540501.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 105045243 - 2⁵ = 105045211 is a prime.

It is a super-2 number, since 2×105045243² = 22069006153858098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105045247) 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, 921393 + ... + 921506.

It is an arithmetic number, because the mean of its divisors is an integer number (18429000).

Almost surely, 2^105045243 is an apocalyptic number.

105045243 is a deficient number, since it is larger than the sum of its proper divisors (42386757).

105045243 is a wasteful number, since it uses less digits than its factorization.

105045243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1842921.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 105045243 is about 10249.1581605515. The cubic root of 105045243 is about 471.8371478665.

Adding to 105045243 its reverse (342540501), we get a palindrome (447585744).

The spelling of 105045243 in words is "one hundred five million, forty-five thousand, two hundred forty-three".