143256401632 has 96 divisors (see below), whose sum is σ = 291086877312. Its totient is φ = 69361119744.

The previous prime is 143256401611. The next prime is 143256401641. The reversal of 143256401632 is 236104652341.

It is a junction number, because it is equal to n+sod(n) for n = 143256401591 and 143256401600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94061223 + ... + 94062745.

It is an arithmetic number, because the mean of its divisors is an integer number (3032154972).

Almost surely, 2^143256401632 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 143256401632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145543438656).

143256401632 is an abundant number, since it is smaller than the sum of its proper divisors (147830475680).

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

143256401632 is a wasteful number, since it uses less digits than its factorization.

143256401632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2120 (or 2112 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 143256401632 in words is "one hundred forty-three billion, two hundred fifty-six million, four hundred one thousand, six hundred thirty-two".