143220104 has 16 divisors (see below), whose sum is σ = 284334300. Its totient is φ = 67397632.

The previous prime is 143220083. The next prime is 143220109. The reversal of 143220104 is 401022341.

It can be written as a sum of positive squares in 2 ways, for example, as 141657604 + 1562500 = 11902^2 + 1250^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is not an unprimeable number, because it can be changed into a prime (143220109) 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 3 ways as a sum of consecutive naturals, for example, 526409 + ... + 526680.

Almost surely, 2^143220104 is an apocalyptic number.

It is an amenable number.

143220104 is a deficient number, since it is larger than the sum of its proper divisors (141114196).

143220104 is a wasteful number, since it uses less digits than its factorization.

143220104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053112 (or 1053108 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 143220104 is about 11967.4602150999. The cubic root of 143220104 is about 523.2003127463.

Adding to 143220104 its reverse (401022341), we get a palindrome (544242445).

The spelling of 143220104 in words is "one hundred forty-three million, two hundred twenty thousand, one hundred four".