105424234 has 4 divisors (see below), whose sum is σ = 158136354. Its totient is φ = 52712116.

The previous prime is 105424223. The next prime is 105424237. The reversal of 105424234 is 432424501.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 77387209 + 28037025 = 8797^2 + 5295^2 .

It is a super-3 number, since 3×105424234³ (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 105424199 and 105424208.

It is not an unprimeable number, because it can be changed into a prime (105424237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26356057 + ... + 26356060.

Almost surely, 2^105424234 is an apocalyptic number.

105424234 is a deficient number, since it is larger than the sum of its proper divisors (52712120).

105424234 is an equidigital number, since it uses as much as digits as its factorization.

105424234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52712119.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 105424234 is about 10267.6303984902. The cubic root of 105424234 is about 472.4039112948.

Adding to 105424234 its reverse (432424501), we get a palindrome (537848735).

The spelling of 105424234 in words is "one hundred five million, four hundred twenty-four thousand, two hundred thirty-four".