100444442 has 16 divisors (see below), whose sum is σ = 174267072. Its totient is φ = 42528480.

The previous prime is 100444439. The next prime is 100444447. The reversal of 100444442 is 244444001.

It is not an unprimeable number, because it can be changed into a prime (100444447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42059 + ... + 44382.

It is an arithmetic number, because the mean of its divisors is an integer number (10891692).

Almost surely, 2^100444442 is an apocalyptic number.

100444442 is a deficient number, since it is larger than the sum of its proper divisors (73822630).

100444442 is an equidigital number, since it uses as much as digits as its factorization.

100444442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86533.

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 100444442 is about 10022.1974636304. The cubic root of 100444442 is about 464.8455061585.

Adding to 100444442 its reverse (244444001), we get a palindrome (344888443).

The spelling of 100444442 in words is "one hundred million, four hundred forty-four thousand, four hundred forty-two".