143644220122 has 8 divisors (see below), whose sum is σ = 232040663316. Its totient is φ = 66297332352.

The previous prime is 143644220113. The next prime is 143644220143. The reversal of 143644220122 is 221022446341.

It can be written as a sum of positive squares in 2 ways, for example, as 135820994521 + 7823225601 = 368539^2 + 88449^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2762388823 + ... + 2762388874.

Almost surely, 2^143644220122 is an apocalyptic number.

143644220122 is a deficient number, since it is larger than the sum of its proper divisors (88396443194).

143644220122 is a wasteful number, since it uses less digits than its factorization.

143644220122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5524777712.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 143644220122 its reverse (221022446341), we get a palindrome (364666666463).

The spelling of 143644220122 in words is "one hundred forty-three billion, six hundred forty-four million, two hundred twenty thousand, one hundred twenty-two".