143303049 has 12 divisors (see below), whose sum is σ = 213670912. Its totient is φ = 92453400.

The previous prime is 143303029. The next prime is 143303051. The reversal of 143303049 is 940303341.

It is not a de Polignac number, because 143303049 - 2⁸ = 143302793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143303029) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 256537 + ... + 257094.

Almost surely, 2^143303049 is an apocalyptic number.

It is an amenable number.

143303049 is a deficient number, since it is larger than the sum of its proper divisors (70367863).

143303049 is a wasteful number, since it uses less digits than its factorization.

143303049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513668 (or 513665 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

The square root of 143303049 is about 11970.9251522178. The cubic root of 143303049 is about 523.3012959503.

The spelling of 143303049 in words is "one hundred forty-three million, three hundred three thousand, forty-nine".