143023489 has 8 divisors (see below), whose sum is σ = 164278400. Its totient is φ = 121974336.

The previous prime is 143023483. The next prime is 143023501. The reversal of 143023489 is 984320341.

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

It is a cyclic number.

It is not a de Polignac number, because 143023489 - 2³ = 143023481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143023481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49944 + ... + 52729.

It is an arithmetic number, because the mean of its divisors is an integer number (20534800).

Almost surely, 2^143023489 is an apocalyptic number.

It is an amenable number.

143023489 is a deficient number, since it is larger than the sum of its proper divisors (21254911).

143023489 is a wasteful number, since it uses less digits than its factorization.

143023489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102879.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 143023489 is about 11959.2428272027. The cubic root of 143023489 is about 522.9607836671.

The spelling of 143023489 in words is "one hundred forty-three million, twenty-three thousand, four hundred eighty-nine".