143055113 has 4 divisors (see below), whose sum is σ = 143083668. Its totient is φ = 143026560.

The previous prime is 143055089. The next prime is 143055151. The reversal of 143055113 is 311550341.

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

It can be written as a sum of positive squares in 2 ways, for example, as 137428729 + 5626384 = 11723^2 + 2372^2 .

It is a cyclic number.

It is not a de Polignac number, because 143055113 - 2¹⁴ = 143038729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143055163) 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 3 ways as a sum of consecutive naturals, for example, 4556 + ... + 17517.

It is an arithmetic number, because the mean of its divisors is an integer number (35770917).

Almost surely, 2^143055113 is an apocalyptic number.

It is an amenable number.

143055113 is a deficient number, since it is larger than the sum of its proper divisors (28555).

143055113 is an equidigital number, since it uses as much as digits as its factorization.

143055113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28554.

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 143055113 is about 11960.5649114078. The cubic root of 143055113 is about 522.9993248727. Note that the first 3 decimals are identical.

The spelling of 143055113 in words is "one hundred forty-three million, fifty-five thousand, one hundred thirteen".