143221020140 has 24 divisors (see below), whose sum is σ = 328106337552. Its totient is φ = 52080370880.

The previous prime is 143221020091. The next prime is 143221020223. The reversal of 143221020140 is 41020122341.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 325502099 + ... + 325502538.

It is an arithmetic number, because the mean of its divisors is an integer number (13671097398).

Almost surely, 2^143221020140 is an apocalyptic number.

143221020140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143221020140 is an abundant number, since it is smaller than the sum of its proper divisors (184885317412).

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

143221020140 is a wasteful number, since it uses less digits than its factorization.

143221020140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 651004657 (or 651004655 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 143221020140 its reverse (41020122341), we get a palindrome (184241142481).

The spelling of 143221020140 in words is "one hundred forty-three billion, two hundred twenty-one million, twenty thousand, one hundred forty".