102543441 has 32 divisors (see below), whose sum is σ = 183579648. Its totient is φ = 49170240.

The previous prime is 102543431. The next prime is 102543479. The reversal of 102543441 is 144345201.

It is not a de Polignac number, because 102543441 - 2⁷ = 102543313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102543431) 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 31 ways as a sum of consecutive naturals, for example, 14071 + ... + 20076.

It is an arithmetic number, because the mean of its divisors is an integer number (5736864).

Almost surely, 2^102543441 is an apocalyptic number.

102543441 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

102543441 is a deficient number, since it is larger than the sum of its proper divisors (81036207).

102543441 is a wasteful number, since it uses less digits than its factorization.

102543441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34181.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 102543441 is about 10126.3735364641. The cubic root of 102543441 is about 468.0611862072.

Adding to 102543441 its reverse (144345201), we get a palindrome (246888642).

It can be divided in two parts, 10254 and 3441, that added together give a triangular number (13695 = T₁₆₅).

The spelling of 102543441 in words is "one hundred two million, five hundred forty-three thousand, four hundred forty-one".