143413121 has 16 divisors (see below), whose sum is σ = 157973760. Its totient is φ = 129697920.

The previous prime is 143413103. The next prime is 143413217. The reversal of 143413121 is 121314341.

It is a cyclic number.

It is not a de Polignac number, because 143413121 - 2⁶ = 143413057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 143413093 and 143413102.

It is not an unprimeable number, because it can be changed into a prime (143413321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34655 + ... + 38571.

It is an arithmetic number, because the mean of its divisors is an integer number (9873360).

Almost surely, 2^143413121 is an apocalyptic number.

It is an amenable number.

143413121 is a deficient number, since it is larger than the sum of its proper divisors (14560639).

143413121 is a wasteful number, since it uses less digits than its factorization.

143413121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4024.

The product of its digits is 288, while the sum is 20.

The square root of 143413121 is about 11975.5217422875. The cubic root of 143413121 is about 523.4352453652.

Adding to 143413121 its reverse (121314341), we get a palindrome (264727462).

The spelling of 143413121 in words is "one hundred forty-three million, four hundred thirteen thousand, one hundred twenty-one".