105434 has 16 divisors (see below), whose sum is σ = 191808. Its totient is φ = 42432.

The previous prime is 105407. The next prime is 105437. The reversal of 105434 is 434501.

It is a super-2 number, since 2×105434² = 22232656712, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (105437) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 17 + ... + 459.

It is an arithmetic number, because the mean of its divisors is an integer number (11988).

2¹⁰⁵⁴³⁴ is an apocalyptic number.

105434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

105434 is a deficient number, since it is larger than the sum of its proper divisors (86374).

105434 is a wasteful number, since it uses less digits than its factorization.

105434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469.

The product of its (nonzero) digits is 240, while the sum is 17.

The square root of 105434 is about 324.7060208866. The cubic root of 105434 is about 47.2418497929.

Adding to 105434 its reverse (434501), we get a palindrome (539935).

The spelling of 105434 in words is "one hundred five thousand, four hundred thirty-four".