100243441 has 8 divisors (see below), whose sum is σ = 106263144. Its totient is φ = 94237440.

The previous prime is 100243439. The next prime is 100243463. The reversal of 100243441 is 144342001.

It can be written as a sum of positive squares in 4 ways, for example, as 13660416 + 86583025 = 3696^2 + 9305^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 100243441 - 2¹ = 100243439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100243421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14311 + ... + 20131.

It is an arithmetic number, because the mean of its divisors is an integer number (13282893).

Almost surely, 2^100243441 is an apocalyptic number.

It is an amenable number.

100243441 is a deficient number, since it is larger than the sum of its proper divisors (6019703).

100243441 is a wasteful number, since it uses less digits than its factorization.

100243441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6851.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 100243441 is about 10012.1646510632. The cubic root of 100243441 is about 464.5352291421.

Adding to 100243441 its reverse (144342001), we get a palindrome (244585442).

The spelling of 100243441 in words is "one hundred million, two hundred forty-three thousand, four hundred forty-one".