143342543 has 4 divisors (see below), whose sum is σ = 147966528. Its totient is φ = 138718560.

The previous prime is 143342503. The next prime is 143342557. The reversal of 143342543 is 345243341.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 143342543 - 2²⁶ = 76233679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143342503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2311946 + ... + 2312007.

It is an arithmetic number, because the mean of its divisors is an integer number (36991632).

Almost surely, 2^143342543 is an apocalyptic number.

143342543 is a deficient number, since it is larger than the sum of its proper divisors (4623985).

143342543 is an equidigital number, since it uses as much as digits as its factorization.

143342543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4623984.

The product of its digits is 17280, while the sum is 29.

The square root of 143342543 is about 11972.5746186858. The cubic root of 143342543 is about 523.3493650905.

Adding to 143342543 its reverse (345243341), we get a palindrome (488585884).

The spelling of 143342543 in words is "one hundred forty-three million, three hundred forty-two thousand, five hundred forty-three".