143303420440 has 32 divisors (see below), whose sum is σ = 324894026160. Its totient is φ = 56883798400.

The previous prime is 143303420437. The next prime is 143303420441. The reversal of 143303420440 is 44024303341.

It is a junction number, because it is equal to n+sod(n) for n = 143303420399 and 143303420408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143303420441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13668751 + ... + 13679230.

Almost surely, 2^143303420440 is an apocalyptic number.

143303420440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143303420440 is an abundant number, since it is smaller than the sum of its proper divisors (181590605720).

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

143303420440 is a wasteful number, since it uses less digits than its factorization.

143303420440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27348123 (or 27348119 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

Adding to 143303420440 its reverse (44024303341), we get a palindrome (187327723781).

The spelling of 143303420440 in words is "one hundred forty-three billion, three hundred three million, four hundred twenty thousand, four hundred forty".