143030400 has 192 divisors, whose sum is σ = 482647680. Its totient is φ = 37212160.

The previous prime is 143030389. The next prime is 143030413. The reversal of 143030400 is 4030341.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 143030400.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 451042 + ... + 451358.

It is an arithmetic number, because the mean of its divisors is an integer number (2513790).

Almost surely, 2^143030400 is an apocalyptic number.

143030400 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 143030400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (241323840).

143030400 is an abundant number, since it is smaller than the sum of its proper divisors (339617280).

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

143030400 is a wasteful number, since it uses less digits than its factorization.

143030400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391 (or 374 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 143030400 is about 11959.5317634095. The cubic root of 143030400 is about 522.9692068145.

Adding to 143030400 its reverse (4030341), we get a palindrome (147060741).

The spelling of 143030400 in words is "one hundred forty-three million, thirty thousand, four hundred".