143241403 has 4 divisors (see below), whose sum is σ = 145203688. Its totient is φ = 141279120.

The previous prime is 143241391. The next prime is 143241407. The reversal of 143241403 is 304142341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 304142341 = 223 ⋅1363867.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-143241403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143241407) 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 3 ways as a sum of consecutive naturals, for example, 981033 + ... + 981178.

It is an arithmetic number, because the mean of its divisors is an integer number (36300922).

Almost surely, 2^143241403 is an apocalyptic number.

143241403 is a deficient number, since it is larger than the sum of its proper divisors (1962285).

143241403 is an equidigital number, since it uses as much as digits as its factorization.

143241403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1962284.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 143241403 is about 11968.3500533699. The cubic root of 143241403 is about 523.2262473993.

Adding to 143241403 its reverse (304142341), we get a palindrome (447383744).

The spelling of 143241403 in words is "one hundred forty-three million, two hundred forty-one thousand, four hundred three".