105439233 has 8 divisors (see below), whose sum is σ = 144385408. Its totient is φ = 68392944.

The previous prime is 105439231. The next prime is 105439237. The reversal of 105439233 is 332934501.

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

It is not a de Polignac number, because 105439233 - 2¹ = 105439231 is a prime.

It is a super-2 number, since 2×105439233² = 22234863711256578, 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 105439233.

It is not an unprimeable number, because it can be changed into a prime (105439231) 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, 474841 + ... + 475062.

It is an arithmetic number, because the mean of its divisors is an integer number (18048176).

Almost surely, 2^105439233 is an apocalyptic number.

It is an amenable number.

105439233 is a deficient number, since it is larger than the sum of its proper divisors (38946175).

105439233 is an equidigital number, since it uses as much as digits as its factorization.

105439233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 949943.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 105439233 is about 10268.3607747293. The cubic root of 105439233 is about 472.4263136401.

The spelling of 105439233 in words is "one hundred five million, four hundred thirty-nine thousand, two hundred thirty-three".