143496442 has 8 divisors (see below), whose sum is σ = 215295732. Its totient is φ = 71731200.

The previous prime is 143496421. The next prime is 143496481. The reversal of 143496442 is 244694341.

143496442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 11979²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 143496441 + 1 = 11979^2 + 1^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10692 + ... + 20032.

Almost surely, 2^143496442 is an apocalyptic number.

143496442 is a deficient number, since it is larger than the sum of its proper divisors (71799290).

143496442 is an equidigital number, since it uses as much as digits as its factorization.

143496442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17024.

The product of its digits is 82944, while the sum is 37.

The square root of 143496442 is about 11979.0000417397. Note that the first 4 decimals coincide. The cubic root of 143496442 is about 523.5365952377.

The spelling of 143496442 in words is "one hundred forty-three million, four hundred ninety-six thousand, four hundred forty-two".