100684145 has 8 divisors (see below), whose sum is σ = 120890880. Its totient is φ = 80500720.

The previous prime is 100684127. The next prime is 100684169. The reversal of 100684145 is 541486001.

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

It is not a de Polignac number, because 100684145 - 2¹⁸ = 100422001 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5786 + ... + 15324.

It is an arithmetic number, because the mean of its divisors is an integer number (15111360).

Almost surely, 2^100684145 is an apocalyptic number.

It is an amenable number.

100684145 is a deficient number, since it is larger than the sum of its proper divisors (20206735).

100684145 is an equidigital number, since it uses as much as digits as its factorization.

100684145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11655.

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 100684145 is about 10034.1489424864. The cubic root of 100684145 is about 465.2149851853.

The spelling of 100684145 in words is "one hundred million, six hundred eighty-four thousand, one hundred forty-five".