143818479 has 18 divisors (see below), whose sum is σ = 241654920. Its totient is φ = 82181736.

The previous prime is 143818469. The next prime is 143818513. The reversal of 143818479 is 974818341.

It is a happy number.

It is not a de Polignac number, because 143818479 - 2⁴ = 143818463 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143818439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 162619 + ... + 163500.

Almost surely, 2^143818479 is an apocalyptic number.

143818479 is a deficient number, since it is larger than the sum of its proper divisors (97836441).

143818479 is a wasteful number, since it uses less digits than its factorization.

143818479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326139 (or 326129 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 143818479 is about 11992.4342399698. The cubic root of 143818479 is about 523.9279456797.

The spelling of 143818479 in words is "one hundred forty-three million, eight hundred eighteen thousand, four hundred seventy-nine".