143207225644 has 48 divisors (see below), whose sum is σ = 296377231360. Its totient is φ = 59249335680.

The previous prime is 143207225621. The next prime is 143207225669. The reversal of 143207225644 is 446522702341.

It is a junction number, because it is equal to n+sod(n) for n = 143207225597 and 143207225606.

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, 153319 + ... + 556705.

Almost surely, 2^143207225644 is an apocalyptic number.

143207225644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143207225644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148188615680).

143207225644 is an abundant number, since it is smaller than the sum of its proper divisors (153170005716).

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

143207225644 is a wasteful number, since it uses less digits than its factorization.

143207225644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403838 (or 403836 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 40.

Adding to 143207225644 its reverse (446522702341), we get a palindrome (589729927985).

The spelling of 143207225644 in words is "one hundred forty-three billion, two hundred seven million, two hundred twenty-five thousand, six hundred forty-four".