143152420440 has 128 divisors (see below), whose sum is σ = 463582310400. Its totient is φ = 35255109120.

The previous prime is 143152420379. The next prime is 143152420457. The reversal of 143152420440 is 44024251341.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 143152420398 and 143152420407.

It is a congruent number.

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, 814216 + ... + 974295.

It is an arithmetic number, because the mean of its divisors is an integer number (3621736800).

Almost surely, 2^143152420440 is an apocalyptic number.

143152420440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143152420440 is an abundant number, since it is smaller than the sum of its proper divisors (320429889960).

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

143152420440 is a wasteful number, since it uses less digits than its factorization.

143152420440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1788577 (or 1788573 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 143152420440 its reverse (44024251341), we get a palindrome (187176671781).

The spelling of 143152420440 in words is "one hundred forty-three billion, one hundred fifty-two million, four hundred twenty thousand, four hundred forty".