143800056 has 128 divisors (see below), whose sum is σ = 432288000. Its totient is φ = 44136576.

The previous prime is 143800043. The next prime is 143800057. The reversal of 143800056 is 650008341.

143800056 = T₅ + T₆ + ... + T₉₅₁.

It is a super-2 number, since 2×143800056² = 41356912211206272, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143800057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151375 + ... + 152321.

It is an arithmetic number, because the mean of its divisors is an integer number (3377250).

Almost surely, 2^143800056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143800056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (216144000).

143800056 is an abundant number, since it is smaller than the sum of its proper divisors (288487944).

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

143800056 is a wasteful number, since it uses less digits than its factorization.

143800056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018 (or 1008 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 143800056 is about 11991.6661060922. Note that the first 3 decimals coincide. The cubic root of 143800056 is about 523.9055731798.

Adding to 143800056 its reverse (650008341), we get a palindrome (793808397).

The spelling of 143800056 in words is "one hundred forty-three million, eight hundred thousand, fifty-six".