100111445 has 8 divisors (see below), whose sum is σ = 137295744. Its totient is φ = 68647824.

The previous prime is 100111441. The next prime is 100111471. The reversal of 100111445 is 544111001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100111445 - 2² = 100111441 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100111441) 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, 1430129 + ... + 1430198.

It is an arithmetic number, because the mean of its divisors is an integer number (17161968).

Almost surely, 2^100111445 is an apocalyptic number.

It is an amenable number.

100111445 is a deficient number, since it is larger than the sum of its proper divisors (37184299).

100111445 is an equidigital number, since it uses as much as digits as its factorization.

100111445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2860339.

The product of its (nonzero) digits is 80, while the sum is 17.

The square root of 100111445 is about 10005.5706983660. The cubic root of 100111445 is about 464.3312466362.

Adding to 100111445 its reverse (544111001), we get a palindrome (644222446).

The spelling of 100111445 in words is "one hundred million, one hundred eleven thousand, four hundred forty-five".