100143874 has 8 divisors (see below), whose sum is σ = 150329340. Its totient is φ = 50034096.

The previous prime is 100143839. The next prime is 100143881. The reversal of 100143874 is 478341001.

It can be written as a sum of positive squares in 2 ways, for example, as 93605625 + 6538249 = 9675^2 + 2557^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15489 + ... + 20980.

Almost surely, 2^100143874 is an apocalyptic number.

100143874 is a deficient number, since it is larger than the sum of its proper divisors (50185466).

100143874 is a wasteful number, since it uses less digits than its factorization.

100143874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37844.

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 100143874 is about 10007.1911143937. The cubic root of 100143874 is about 464.3813780087.

Adding to 100143874 its reverse (478341001), we get a palindrome (578484875).

The spelling of 100143874 in words is "one hundred million, one hundred forty-three thousand, eight hundred seventy-four".