143002421224 has 32 divisors (see below), whose sum is σ = 288770517000. Its totient is φ = 65997545472.

The previous prime is 143002421197. The next prime is 143002421267. The reversal of 143002421224 is 422124200341.

It can be written as a sum of positive squares in 4 ways, for example, as 111100889124 + 31901532100 = 333318^2 + 178610^2 .

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, 3529272 + ... + 3569560.

Almost surely, 2^143002421224 is an apocalyptic number.

It is an amenable number.

143002421224 is an abundant number, since it is smaller than the sum of its proper divisors (145768095776).

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

143002421224 is a wasteful number, since it uses less digits than its factorization.

143002421224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74437 (or 74433 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 143002421224 its reverse (422124200341), we get a palindrome (565126621565).

The spelling of 143002421224 in words is "one hundred forty-three billion, two million, four hundred twenty-one thousand, two hundred twenty-four".