143441121 has 8 divisors (see below), whose sum is σ = 202505184. Its totient is φ = 90002240.

The previous prime is 143441117. The next prime is 143441149. The reversal of 143441121 is 121144341.

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

It is a cyclic number.

It is not a de Polignac number, because 143441121 - 2² = 143441117 is a prime.

It is not an unprimeable number, because it can be changed into a prime (143441021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1406235 + ... + 1406336.

It is an arithmetic number, because the mean of its divisors is an integer number (25313148).

Almost surely, 2^143441121 is an apocalyptic number.

It is an amenable number.

143441121 is a deficient number, since it is larger than the sum of its proper divisors (59064063).

143441121 is a wasteful number, since it uses less digits than its factorization.

143441121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2812591.

The product of its digits is 384, while the sum is 21.

The square root of 143441121 is about 11976.6907365933. The cubic root of 143441121 is about 523.4693083413.

Adding to 143441121 its reverse (121144341), we get a palindrome (264585462).

The spelling of 143441121 in words is "one hundred forty-three million, four hundred forty-one thousand, one hundred twenty-one".