100045655 has 8 divisors (see below), whose sum is σ = 120240384. Its totient is φ = 79912800.

The previous prime is 100045637. The next prime is 100045691. The reversal of 100045655 is 556540001.

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

It is not a de Polignac number, because 100045655 - 2⁶ = 100045591 is a prime.

It is a Duffinian number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 11831 + ... + 18440.

It is an arithmetic number, because the mean of its divisors is an integer number (15030048).

Almost surely, 2^100045655 is an apocalyptic number.

100045655 is a deficient number, since it is larger than the sum of its proper divisors (20194729).

100045655 is an equidigital number, since it uses as much as digits as its factorization.

100045655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30937.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 100045655 is about 10002.2824895121. The cubic root of 100045655 is about 464.2295098603.

Adding to 100045655 its reverse (556540001), we get a palindrome (656585656).

The spelling of 100045655 in words is "one hundred million, forty-five thousand, six hundred fifty-five".