143630133412644 has 18 divisors (see below), whose sum is σ = 363065059459830. Its totient is φ = 47876711137536.

The previous prime is 143630133412631. The next prime is 143630133412669. The reversal of 143630133412644 is 446214331036341.

143630133412644 is a `hidden beast` number, since 1 + 4 + 3 + 6 + 30 + 13 + 341 + 264 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 111683469441600 + 31946663971044 = 10568040^2 + 5652138^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 143630133412644.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1994862964029 + ... + 1994862964100.

Almost surely, 2^{143630133412644} is an apocalyptic number.

It is an amenable number.

143630133412644 is an abundant number, since it is smaller than the sum of its proper divisors (219434926047186).

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

143630133412644 is a wasteful number, since it uses less digits than its factorization.

143630133412644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3989725928139 (or 3989725928134 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 45.

Adding to 143630133412644 its reverse (446214331036341), we get a palindrome (589844464448985).

The spelling of 143630133412644 in words is "one hundred forty-three trillion, six hundred thirty billion, one hundred thirty-three million, four hundred twelve thousand, six hundred forty-four".