143105240420 has 24 divisors (see below), whose sum is σ = 300581187648. Its totient is φ = 57230632800.

The previous prime is 143105240419. The next prime is 143105240431. The reversal of 143105240420 is 24042501341.

143105240420 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 143105240420.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 613736 + ... + 814175.

It is an arithmetic number, because the mean of its divisors is an integer number (12524216152).

Almost surely, 2^143105240420 is an apocalyptic number.

143105240420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143105240420 is an abundant number, since it is smaller than the sum of its proper divisors (157475947228).

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

143105240420 is a wasteful number, since it uses less digits than its factorization.

143105240420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432931 (or 1432929 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

Adding to 143105240420 its reverse (24042501341), we get a palindrome (167147741761).

The spelling of 143105240420 in words is "one hundred forty-three billion, one hundred five million, two hundred forty thousand, four hundred twenty".