100994445 has 48 divisors (see below), whose sum is σ = 183560832. Its totient is φ = 53265600.

The previous prime is 100994437. The next prime is 100994473. The reversal of 100994445 is 544499001.

It is a happy number.

It is not a de Polignac number, because 100994445 - 2³ = 100994437 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 122304 + ... + 123126.

It is an arithmetic number, because the mean of its divisors is an integer number (3824184).

Almost surely, 2^100994445 is an apocalyptic number.

100994445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100994445 is a deficient number, since it is larger than the sum of its proper divisors (82566387).

100994445 is an equidigital number, since it uses as much as digits as its factorization.

100994445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944 (or 932 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 100994445 is about 10049.5992457411. The cubic root of 100994445 is about 465.6924127731.

The spelling of 100994445 in words is "one hundred million, nine hundred ninety-four thousand, four hundred forty-five".