100444475 has 12 divisors (see below), whose sum is σ = 124891560. Its totient is φ = 80136000.

The previous prime is 100444453. The next prime is 100444493. The reversal of 100444475 is 574444001.

It is a happy number.

It is not a de Polignac number, because 100444475 - 2⁶ = 100444411 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4175 + ... + 14775.

It is an arithmetic number, because the mean of its divisors is an integer number (10407630).

Almost surely, 2^100444475 is an apocalyptic number.

100444475 is a deficient number, since it is larger than the sum of its proper divisors (24447085).

100444475 is a wasteful number, since it uses less digits than its factorization.

100444475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10990 (or 10985 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 29.

The square root of 100444475 is about 10022.1991099758. The cubic root of 100444475 is about 464.8455570652.

Adding to 100444475 its reverse (574444001), we get a palindrome (674888476).

The spelling of 100444475 in words is "one hundred million, four hundred forty-four thousand, four hundred seventy-five".