100143112 has 8 divisors (see below), whose sum is σ = 187768350. Its totient is φ = 50071552.

The previous prime is 100143103. The next prime is 100143139. The reversal of 100143112 is 211341001.

It can be written as a sum of positive squares in only one way, i.e., 83283876 + 16859236 = 9126^2 + 4106^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×100143112³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100143092 and 100143101.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6258937 + ... + 6258952.

Almost surely, 2^100143112 is an apocalyptic number.

It is an amenable number.

100143112 is a deficient number, since it is larger than the sum of its proper divisors (87625238).

100143112 is a wasteful number, since it uses less digits than its factorization.

100143112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12517895 (or 12517891 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 100143112 is about 10007.1530416997. The cubic root of 100143112 is about 464.3802001716.

Adding to 100143112 its reverse (211341001), we get a palindrome (311484113).

The spelling of 100143112 in words is "one hundred million, one hundred forty-three thousand, one hundred twelve".