143055668 has 48 divisors (see below), whose sum is σ = 295325184. Its totient is φ = 59361120.

The previous prime is 143055623. The next prime is 143055673. The reversal of 143055668 is 866550341.

It is a Cunningham number, because it is equal to 523³+1.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 157271 + ... + 158177.

It is an arithmetic number, because the mean of its divisors is an integer number (6152608).

Almost surely, 2^143055668 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 143055668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (147662592).

143055668 is an abundant number, since it is smaller than the sum of its proper divisors (152269516).

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

143055668 is a wasteful number, since it uses less digits than its factorization.

143055668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092 (or 1090 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 143055668 is about 11960.5881126306. The cubic root of 143055668 is about 523.0000012186. Note that the first 5 decimals are identical.

The spelling of 143055668 in words is "one hundred forty-three million, fifty-five thousand, six hundred sixty-eight".