105145234 has 12 divisors (see below), whose sum is σ = 161476686. Its totient is φ = 51348192.

The previous prime is 105145217. The next prime is 105145241. The reversal of 105145234 is 432541501.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 93605625 + 11539609 = 9675^2 + 3397^2 .

It is a super-2 number, since 2×105145234² = 22111040465829512, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 105145199 and 105145208.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 10519 + ... + 17914.

Almost surely, 2^105145234 is an apocalyptic number.

105145234 is a deficient number, since it is larger than the sum of its proper divisors (56331452).

105145234 is an equidigital number, since it uses as much as digits as its factorization.

105145234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28521 (or 28478 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 105145234 is about 10254.0350106678. The cubic root of 105145234 is about 471.9868119699.

Adding to 105145234 its reverse (432541501), we get a palindrome (537686735).

The spelling of 105145234 in words is "one hundred five million, one hundred forty-five thousand, two hundred thirty-four".