100444133 has 2 divisors, whose sum is σ = 100444134. Its totient is φ = 100444132.

The previous prime is 100444103. The next prime is 100444147. The reversal of 100444133 is 331444001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63075364 + 37368769 = 7942^2 + 6113^2 .

It is a cyclic number.

It is not a de Polignac number, because 100444133 - 2⁸ = 100443877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100444103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50222066 + 50222067.

It is an arithmetic number, because the mean of its divisors is an integer number (50222067).

Almost surely, 2^100444133 is an apocalyptic number.

It is an amenable number.

100444133 is a deficient number, since it is larger than the sum of its proper divisors (1).

100444133 is an equidigital number, since it uses as much as digits as its factorization.

100444133 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 100444133 is about 10022.1820478377. The cubic root of 100444133 is about 464.8450294856.

Adding to 100444133 its reverse (331444001), we get a palindrome (431888134).

The spelling of 100444133 in words is "one hundred million, four hundred forty-four thousand, one hundred thirty-three".