105531441 has 16 divisors (see below), whose sum is σ = 143236800. Its totient is φ = 69101568.

The previous prime is 105531401. The next prime is 105531443. The reversal of 105531441 is 144135501.

It is a happy number.

It is not a de Polignac number, because 105531441 - 2⁷ = 105531313 is a prime.

It is a super-2 number, since 2×105531441² = 22273770079072962, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (105531443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39145 + ... + 41753.

It is an arithmetic number, because the mean of its divisors is an integer number (8952300).

Almost surely, 2^105531441 is an apocalyptic number.

It is an amenable number.

105531441 is a deficient number, since it is larger than the sum of its proper divisors (37705359).

105531441 is a wasteful number, since it uses less digits than its factorization.

105531441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2848.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 105531441 is about 10272.8497020058. The cubic root of 105531441 is about 472.5639878628.

Adding to 105531441 its reverse (144135501), we get a palindrome (249666942).

The spelling of 105531441 in words is "one hundred five million, five hundred thirty-one thousand, four hundred forty-one".