100144843 has 4 divisors (see below), whose sum is σ = 100165768. Its totient is φ = 100123920.

The previous prime is 100144819. The next prime is 100144853. The reversal of 100144843 is 348441001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 348441001 = 41 ⋅8498561.

It is a cyclic number.

It is not a de Polignac number, because 100144843 - 2¹³ = 100136651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100144853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 655 + ... + 14167.

It is an arithmetic number, because the mean of its divisors is an integer number (25041442).

Almost surely, 2^100144843 is an apocalyptic number.

100144843 is a deficient number, since it is larger than the sum of its proper divisors (20925).

100144843 is an equidigital number, since it uses as much as digits as its factorization.

100144843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20924.

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 100144843 is about 10007.2395294607. The cubic root of 100144843 is about 464.3828758007.

Adding to 100144843 its reverse (348441001), we get a palindrome (448585844).

The spelling of 100144843 in words is "one hundred million, one hundred forty-four thousand, eight hundred forty-three".