143424431304 has 128 divisors (see below), whose sum is σ = 447152762880. Its totient is φ = 37243468800.

The previous prime is 143424431281. The next prime is 143424431333. The reversal of 143424431304 is 403134424341.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 9663169 + ... + 9677999.

It is an arithmetic number, because the mean of its divisors is an integer number (3493380960).

Almost surely, 2^143424431304 is an apocalyptic number.

143424431304 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 143424431304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223576381440).

143424431304 is an abundant number, since it is smaller than the sum of its proper divisors (303728331576).

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

143424431304 is a wasteful number, since it uses less digits than its factorization.

143424431304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20091 (or 20087 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 143424431304 its reverse (403134424341), we get a palindrome (546558855645).

The spelling of 143424431304 in words is "one hundred forty-three billion, four hundred twenty-four million, four hundred thirty-one thousand, three hundred four".