143400244 has 24 divisors (see below), whose sum is σ = 279576360. Its totient is φ = 63901824.

The previous prime is 143400233. The next prime is 143400259. The reversal of 143400244 is 442004341.

It can be written as a sum of positive squares in 4 ways, for example, as 1790244 + 141610000 = 1338^2 + 11900^2 .

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 46039 + ... + 49054.

It is an arithmetic number, because the mean of its divisors is an integer number (11649015).

Almost surely, 2^143400244 is an apocalyptic number.

It is an amenable number.

143400244 is a deficient number, since it is larger than the sum of its proper divisors (136176116).

143400244 is a wasteful number, since it uses less digits than its factorization.

143400244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95139 (or 95137 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 143400244 is about 11974.9840918475. The cubic root of 143400244 is about 523.4195785574.

Adding to 143400244 its reverse (442004341), we get a palindrome (585404585).

The spelling of 143400244 in words is "one hundred forty-three million, four hundred thousand, two hundred forty-four".