100444194 has 24 divisors (see below), whose sum is σ = 230431500. Its totient is φ = 31511808.

The previous prime is 100444147. The next prime is 100444199. The reversal of 100444194 is 491444001.

It can be written as a sum of positive squares in 2 ways, for example, as 84548025 + 15896169 = 9195^2 + 3987^2 .

It is a super-2 number, since 2×100444194² = 20178072216619272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100444199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 163819 + ... + 164430.

Almost surely, 2^100444194 is an apocalyptic number.

100444194 is an abundant number, since it is smaller than the sum of its proper divisors (129987306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100444194 is a wasteful number, since it uses less digits than its factorization.

100444194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328274 (or 328271 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 100444194 is about 10022.1850910867. The cubic root of 100444194 is about 464.8451235862.

Adding to 100444194 its reverse (491444001), we get a palindrome (591888195).

The spelling of 100444194 in words is "one hundred million, four hundred forty-four thousand, one hundred ninety-four".