105434144 has 12 divisors (see below), whose sum is σ = 207573534. Its totient is φ = 52717056.

The previous prime is 105434107. The next prime is 105434149. The reversal of 105434144 is 441434501.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 64320400 + 41113744 = 8020^2 + 6412^2 .

It is a super-2 number, since 2×105434144² = 22232717442025472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105434149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1647377 + ... + 1647440.

Almost surely, 2^105434144 is an apocalyptic number.

It is an amenable number.

105434144 is a deficient number, since it is larger than the sum of its proper divisors (102139390).

105434144 is an equidigital number, since it uses as much as digits as its factorization.

105434144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3294827 (or 3294819 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 105434144 is about 10268.1129717198. The cubic root of 105434144 is about 472.4187130025.

Adding to 105434144 its reverse (441434501), we get a palindrome (546868645).

The spelling of 105434144 in words is "one hundred five million, four hundred thirty-four thousand, one hundred forty-four".