143630388196 has 9 divisors (see below), whose sum is σ = 251354505801. Its totient is φ = 71814815112.

The previous prime is 143630388193. The next prime is 143630388197. The reversal of 143630388196 is 691883036341.

It is a happy number.

The square root of 143630388196 is 378986.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 71518804900 + 72111583296 = 267430^2 + 268536^2 .

It is a super-2 number, since 2×143630388196² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143630388191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 663226 + ... + 852718.

Almost surely, 2^143630388196 is an apocalyptic number.

143630388196 is the 378986-th square number.

It is an amenable number.

143630388196 is a deficient number, since it is larger than the sum of its proper divisors (107724117605).

143630388196 is an frugal number, since it uses more digits than its factorization.

143630388196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378990 (or 189495 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 52.

The spelling of 143630388196 in words is "one hundred forty-three billion, six hundred thirty million, three hundred eighty-eight thousand, one hundred ninety-six".