143434004420 has 48 divisors (see below), whose sum is σ = 351266966400. Its totient is φ = 49177370592.

The previous prime is 143434004393. The next prime is 143434004423. The reversal of 143434004420 is 24400434341.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (143434004423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10447514 + ... + 10461233.

It is an arithmetic number, because the mean of its divisors is an integer number (7318061800).

Almost surely, 2^143434004420 is an apocalyptic number.

143434004420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143434004420 is an abundant number, since it is smaller than the sum of its proper divisors (207832961980).

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

143434004420 is a wasteful number, since it uses less digits than its factorization.

143434004420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20908777 (or 20908761 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 143434004420 its reverse (24400434341), we get a palindrome (167834438761).

The spelling of 143434004420 in words is "one hundred forty-three billion, four hundred thirty-four million, four thousand, four hundred twenty".