143400113 has 4 divisors (see below), whose sum is σ = 143425380. Its totient is φ = 143374848.

The previous prime is 143400107. The next prime is 143400143. The reversal of 143400113 is 311004341.

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 102657424 + 40742689 = 10132^2 + 6383^2 .

It is a cyclic number.

It is not a de Polignac number, because 143400113 - 2⁴ = 143400097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 143400091 and 143400100.

It is not an unprimeable number, because it can be changed into a prime (143400143) 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, 281 + ... + 16937.

It is an arithmetic number, because the mean of its divisors is an integer number (35856345).

Almost surely, 2^143400113 is an apocalyptic number.

It is an amenable number.

143400113 is a deficient number, since it is larger than the sum of its proper divisors (25267).

143400113 is an equidigital number, since it uses as much as digits as its factorization.

143400113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25266.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 143400113 is about 11974.9786221104. The cubic root of 143400113 is about 523.4194191714.

Adding to 143400113 its reverse (311004341), we get a palindrome (454404454).

The spelling of 143400113 in words is "one hundred forty-three million, four hundred thousand, one hundred thirteen".