143155243 has 16 divisors (see below), whose sum is σ = 186241536. Its totient is φ = 106698240.

The previous prime is 143155237. The next prime is 143155261. The reversal of 143155243 is 342551341.

It is not a de Polignac number, because 143155243 - 2⁵ = 143155211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143155043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38646 + ... + 42187.

It is an arithmetic number, because the mean of its divisors is an integer number (11640096).

Almost surely, 2^143155243 is an apocalyptic number.

143155243 is a deficient number, since it is larger than the sum of its proper divisors (43086293).

143155243 is a wasteful number, since it uses less digits than its factorization.

143155243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80874.

The product of its digits is 7200, while the sum is 28.

The square root of 143155243 is about 11964.7500182829. The cubic root of 143155243 is about 523.1213191351.

The spelling of 143155243 in words is "one hundred forty-three million, one hundred fifty-five thousand, two hundred forty-three".