143093242 has 4 divisors (see below), whose sum is σ = 214639866. Its totient is φ = 71546620.

The previous prime is 143093227. The next prime is 143093263. The reversal of 143093242 is 242390341.

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

It can be written as a sum of positive squares in only one way, i.e., 138509361 + 4583881 = 11769^2 + 2141^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 143093242.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35773309 + ... + 35773312.

Almost surely, 2^143093242 is an apocalyptic number.

143093242 is a deficient number, since it is larger than the sum of its proper divisors (71546624).

143093242 is an equidigital number, since it uses as much as digits as its factorization.

143093242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71546623.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 143093242 is about 11962.1587516635. The cubic root of 143093242 is about 523.0457863830.

The spelling of 143093242 in words is "one hundred forty-three million, ninety-three thousand, two hundred forty-two".