143144223402 has 128 divisors (see below), whose sum is σ = 302784894720. Its totient is φ = 45071400960.

The previous prime is 143144223377. The next prime is 143144223413. The reversal of 143144223402 is 204322441341.

It is a super-4 number, since 4×143144223402⁴ (a number of 46 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 143144223402.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 383764488 + ... + 383764860.

It is an arithmetic number, because the mean of its divisors is an integer number (2365506990).

Almost surely, 2^143144223402 is an apocalyptic number.

143144223402 is an abundant number, since it is smaller than the sum of its proper divisors (159640671318).

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

143144223402 is a wasteful number, since it uses less digits than its factorization.

143144223402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808.

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 143144223402 its reverse (204322441341), we get a palindrome (347466664743).

The spelling of 143144223402 in words is "one hundred forty-three billion, one hundred forty-four million, two hundred twenty-three thousand, four hundred two".