143034221440 has 64 divisors (see below), whose sum is σ = 373026766320. Its totient is φ = 52012441600.

The previous prime is 143034221357. The next prime is 143034221467. The reversal of 143034221440 is 44122430341.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 143034221399 and 143034221408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10151641 + ... + 10165720.

Almost surely, 2^143034221440 is an apocalyptic number.

143034221440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143034221440 is an abundant number, since it is smaller than the sum of its proper divisors (229992544880).

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

143034221440 is a wasteful number, since it uses less digits than its factorization.

143034221440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20317391 (or 20317379 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 143034221440 its reverse (44122430341), we get a palindrome (187156651781).

The spelling of 143034221440 in words is "one hundred forty-three billion, thirty-four million, two hundred twenty-one thousand, four hundred forty".