143321241420 has 288 divisors, whose sum is σ = 527778695808. Its totient is φ = 30732189696.

The previous prime is 143321241419. The next prime is 143321241431. The reversal of 143321241420 is 24142123341.

143321241420 is a `hidden beast` number, since 1 + 4 + 33 + 212 + 414 + 2 + 0 = 666.

143321241420 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6693772 + ... + 6715148.

It is an arithmetic number, because the mean of its divisors is an integer number (1832564916).

Almost surely, 2^143321241420 is an apocalyptic number.

143321241420 is a gapful number since it is divisible by the number (10) 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 143321241420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (263889347904).

143321241420 is an abundant number, since it is smaller than the sum of its proper divisors (384457454388).

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

143321241420 is a wasteful number, since it uses less digits than its factorization.

143321241420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21729 (or 21724 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 143321241420 its reverse (24142123341), we get a palindrome (167463364761).

The spelling of 143321241420 in words is "one hundred forty-three billion, three hundred twenty-one million, two hundred forty-one thousand, four hundred twenty".