100143396 has 36 divisors (see below), whose sum is σ = 268032492. Its totient is φ = 31417344.

The previous prime is 100143377. The next prime is 100143397. The reversal of 100143396 is 693341001.

It can be written as a sum of positive squares in 2 ways, for example, as 32080896 + 68062500 = 5664^2 + 8250^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (100143397) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 81205 + ... + 82428.

It is an arithmetic number, because the mean of its divisors is an integer number (7445347).

Almost surely, 2^100143396 is an apocalyptic number.

It is an amenable number.

100143396 is an abundant number, since it is smaller than the sum of its proper divisors (167889096).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100143396 is a wasteful number, since it uses less digits than its factorization.

100143396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163660 (or 163655 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 100143396 is about 10007.1672315396. The cubic root of 100143396 is about 464.3806391562.

Adding to 100143396 its reverse (693341001), we get a palindrome (793484397).

The spelling of 100143396 in words is "one hundred million, one hundred forty-three thousand, three hundred ninety-six".