100441555 has 8 divisors (see below), whose sum is σ = 120772512. Its totient is φ = 80191488.

The previous prime is 100441553. The next prime is 100441567. The reversal of 100441555 is 555144001.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 100441555 - 2¹ = 100441553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100441553) 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, 17454 + ... + 22483.

It is an arithmetic number, because the mean of its divisors is an integer number (15096564).

Almost surely, 2^100441555 is an apocalyptic number.

100441555 is a deficient number, since it is larger than the sum of its proper divisors (20330957).

100441555 is an equidigital number, since it uses as much as digits as its factorization.

100441555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40445.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 100441555 is about 10022.0534323062. The cubic root of 100441555 is about 464.8410525461.

Adding to 100441555 its reverse (555144001), we get a palindrome (655585556).

It can be divided in two parts, 100441 and 555, that multiplied together give a palindrome (55744755).

The spelling of 100441555 in words is "one hundred million, four hundred forty-one thousand, five hundred fifty-five".