143243113 has 8 divisors (see below), whose sum is σ = 155678600. Its totient is φ = 131010048.

The previous prime is 143243083. The next prime is 143243117. The reversal of 143243113 is 311342341.

143243113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 870489 + 142372624 = 933^2 + 11932^2 .

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

It is not a de Polignac number, because 143243113 - 2⁹ = 143242601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143243117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49128 + ... + 51961.

It is an arithmetic number, because the mean of its divisors is an integer number (19459825).

Almost surely, 2^143243113 is an apocalyptic number.

143243113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

143243113 is a deficient number, since it is larger than the sum of its proper divisors (12435487).

143243113 is a wasteful number, since it uses less digits than its factorization.

143243113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101211.

The product of its digits is 864, while the sum is 22.

The square root of 143243113 is about 11968.4214915752. The cubic root of 143243113 is about 523.2283294633.

Adding to 143243113 its reverse (311342341), we get a palindrome (454585454).

The spelling of 143243113 in words is "one hundred forty-three million, two hundred forty-three thousand, one hundred thirteen".