105372443 has 8 divisors (see below), whose sum is σ = 121713840. Its totient is φ = 90158080.

The previous prime is 105372433. The next prime is 105372473. The reversal of 105372443 is 344273501.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 105372443 - 2⁸ = 105372187 is a prime.

It is a super-2 number, since 2×105372443² = 22206703487576498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (105372413) 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, 281558 + ... + 281931.

It is an arithmetic number, because the mean of its divisors is an integer number (15214230).

Almost surely, 2^105372443 is an apocalyptic number.

105372443 is a deficient number, since it is larger than the sum of its proper divisors (16341397).

105372443 is a wasteful number, since it uses less digits than its factorization.

105372443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 563517.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 105372443 is about 10265.1080364505. The cubic root of 105372443 is about 472.3265404741.

The spelling of 105372443 in words is "one hundred five million, three hundred seventy-two thousand, four hundred forty-three".