143828929 has 4 divisors (see below), whose sum is σ = 143854384. Its totient is φ = 143803476.

The previous prime is 143828899. The next prime is 143828939. The reversal of 143828929 is 929828341.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 143828929 - 2⁷ = 143828801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (143828939) 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, 27 + ... + 16960.

It is an arithmetic number, because the mean of its divisors is an integer number (35963596).

Almost surely, 2^143828929 is an apocalyptic number.

It is an amenable number.

143828929 is a deficient number, since it is larger than the sum of its proper divisors (25455).

143828929 is an equidigital number, since it uses as much as digits as its factorization.

143828929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25454.

The product of its digits is 248832, while the sum is 46.

The square root of 143828929 is about 11992.8699234170. The cubic root of 143828929 is about 523.9406350885.

The spelling of 143828929 in words is "one hundred forty-three million, eight hundred twenty-eight thousand, nine hundred twenty-nine".