143629489 has 8 divisors (see below), whose sum is σ = 148766760. Its totient is φ = 138504576.

The previous prime is 143629463. The next prime is 143629513. The reversal of 143629489 is 984926341.

143629489 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 16120225 + 127509264 = 4015^2 + 11292^2 .

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 143629489 - 2⁷ = 143629361 is a prime.

It is a super-2 number, since 2×143629489² = 41258860220802242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143629289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25039 + ... + 30235.

It is an arithmetic number, because the mean of its divisors is an integer number (18595845).

Almost surely, 2^143629489 is an apocalyptic number.

It is an amenable number.

143629489 is a deficient number, since it is larger than the sum of its proper divisors (5137271).

143629489 is an equidigital number, since it uses as much as digits as its factorization.

143629489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6179.

The product of its digits is 373248, while the sum is 46.

The square root of 143629489 is about 11984.5520984307. The cubic root of 143629489 is about 523.6983494386.

The spelling of 143629489 in words is "one hundred forty-three million, six hundred twenty-nine thousand, four hundred eighty-nine".