143302243 has 8 divisors (see below), whose sum is σ = 169057280. Its totient is φ = 118868040.

The previous prime is 143302241. The next prime is 143302261. The reversal of 143302243 is 342203341.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 143302243 - 2¹ = 143302241 is a prime.

It is not an unprimeable number, because it can be changed into a prime (143302241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329973 + ... + 330406.

It is an arithmetic number, because the mean of its divisors is an integer number (21132160).

Almost surely, 2^143302243 is an apocalyptic number.

143302243 is a deficient number, since it is larger than the sum of its proper divisors (25755037).

143302243 is an equidigital number, since it uses as much as digits as its factorization.

143302243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660417.

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 143302243 is about 11970.8914872703. The cubic root of 143302243 is about 523.3003148555.

Adding to 143302243 its reverse (342203341), we get a palindrome (485505584).

The spelling of 143302243 in words is "one hundred forty-three million, three hundred two thousand, two hundred forty-three".