143404243 has 4 divisors (see below), whose sum is σ = 143464840. Its totient is φ = 143343648.

The previous prime is 143404237. The next prime is 143404249. The reversal of 143404243 is 342404341.

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

It is an interprime number because it is at equal distance from previous prime (143404237) and next prime (143404249).

It is a cyclic number.

It is not a de Polignac number, because 143404243 - 2¹³ = 143396051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143404249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26598 + ... + 31531.

It is an arithmetic number, because the mean of its divisors is an integer number (35866210).

Almost surely, 2^143404243 is an apocalyptic number.

143404243 is a deficient number, since it is larger than the sum of its proper divisors (60597).

143404243 is an equidigital number, since it uses as much as digits as its factorization.

143404243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60596.

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 143404243 is about 11975.1510637653. The cubic root of 143404243 is about 523.4244440430.

Adding to 143404243 its reverse (342404341), we get a palindrome (485808584).

The spelling of 143404243 in words is "one hundred forty-three million, four hundred four thousand, two hundred forty-three".