143436242 has 8 divisors (see below), whose sum is σ = 227810556. Its totient is φ = 67499392.

The previous prime is 143436229. The next prime is 143436247. The reversal of 143436242 is 242634341.

It can be written as a sum of positive squares in 2 ways, for example, as 127667401 + 15768841 = 11299^2 + 3971^2 .

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

It is not an unprimeable number, because it can be changed into a prime (143436247) 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, 2109323 + ... + 2109390.

Almost surely, 2^143436242 is an apocalyptic number.

143436242 is a deficient number, since it is larger than the sum of its proper divisors (84374314).

143436242 is a wasteful number, since it uses less digits than its factorization.

143436242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4218732.

The product of its digits is 13824, while the sum is 29.

The square root of 143436242 is about 11976.4870475445. The cubic root of 143436242 is about 523.4633731867.

The spelling of 143436242 in words is "one hundred forty-three million, four hundred thirty-six thousand, two hundred forty-two".