100144587 has 8 divisors (see below), whose sum is σ = 135216640. Its totient is φ = 65917800.

The previous prime is 100144567. The next prime is 100144619. The reversal of 100144587 is 785441001.

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

It is not a de Polignac number, because 100144587 - 2⁶ = 100144523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100144567) 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, 211039 + ... + 211512.

It is an arithmetic number, because the mean of its divisors is an integer number (16902080).

Almost surely, 2^100144587 is an apocalyptic number.

100144587 is a deficient number, since it is larger than the sum of its proper divisors (35072053).

100144587 is an equidigital number, since it uses as much as digits as its factorization.

100144587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 422633.

The product of its (nonzero) digits is 4480, while the sum is 30.

The square root of 100144587 is about 10007.2267387124. The cubic root of 100144587 is about 464.3824801002.

Adding to 100144587 its reverse (785441001), we get a palindrome (885585588).

The spelling of 100144587 in words is "one hundred million, one hundred forty-four thousand, five hundred eighty-seven".