143428320 has 576 divisors, whose sum is σ = 634023936. Its totient is φ = 29859840.

The previous prime is 143428273. The next prime is 143428331. The reversal of 143428320 is 23824341.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4626705 + ... + 4626735.

It is an arithmetic number, because the mean of its divisors is an integer number (1100736).

Almost surely, 2^143428320 is an apocalyptic number.

143428320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143428320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317011968).

143428320 is an abundant number, since it is smaller than the sum of its proper divisors (490595616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

143428320 is a wasteful number, since it uses less digits than its factorization.

143428320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85 (or 65 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 143428320 is about 11976.1563116052. The cubic root of 143428320 is about 523.4537360286.

The spelling of 143428320 in words is "one hundred forty-three million, four hundred twenty-eight thousand, three hundred twenty".