143646234320056 has 128 divisors (see below), whose sum is σ = 294850427376960. Its totient is φ = 65205347328000.

The previous prime is 143646234320009. The next prime is 143646234320117. The reversal of 143646234320056 is 650023432646341.

It is a junction number, because it is equal to n+sod(n) for n = 143646234319991 and 143646234320009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20172196176 + ... + 20172203296.

Almost surely, 2^{143646234320056} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143646234320056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147425213688480).

143646234320056 is an abundant number, since it is smaller than the sum of its proper divisors (151204193056904).

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

143646234320056 is a wasteful number, since it uses less digits than its factorization.

143646234320056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11385 (or 11381 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 49.

Adding to 143646234320056 its reverse (650023432646341), we get a palindrome (793669666966397).

The spelling of 143646234320056 in words is "one hundred forty-three trillion, six hundred forty-six billion, two hundred thirty-four million, three hundred twenty thousand, fifty-six".