143049443 has 4 divisors (see below), whose sum is σ = 149269008. Its totient is φ = 136829880.

The previous prime is 143049377. The next prime is 143049449. The reversal of 143049443 is 344940341.

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

It is a cyclic number.

It is not a de Polignac number, because 143049443 - 2²² = 138855139 is a prime.

It is a super-2 number, since 2×143049443² = 40926286285220498, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143049449) 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, 3109748 + ... + 3109793.

It is an arithmetic number, because the mean of its divisors is an integer number (37317252).

Almost surely, 2^143049443 is an apocalyptic number.

143049443 is a deficient number, since it is larger than the sum of its proper divisors (6219565).

143049443 is an equidigital number, since it uses as much as digits as its factorization.

143049443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6219564.

The product of its (nonzero) digits is 20736, while the sum is 32.

The square root of 143049443 is about 11960.3278801210. The cubic root of 143049443 is about 522.9924150757.

Adding to 143049443 its reverse (344940341), we get a palindrome (487989784).

The spelling of 143049443 in words is "one hundred forty-three million, forty-nine thousand, four hundred forty-three".