143489216 has 112 divisors (see below), whose sum is σ = 334975200. Its totient is φ = 60383232.

The previous prime is 143489191. The next prime is 143489221. The reversal of 143489216 is 612984341.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a self number, because there is not a number n which added to its sum of digits gives 143489216.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 458276 + ... + 458588.

It is an arithmetic number, because the mean of its divisors is an integer number (2990850).

Almost surely, 2^143489216 is an apocalyptic number.

143489216 is a gapful number since it is divisible by the number (16) 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 143489216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167487600).

143489216 is an abundant number, since it is smaller than the sum of its proper divisors (191485984).

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

143489216 is a wasteful number, since it uses less digits than its factorization.

143489216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 386 (or 376 counting only the distinct ones).

The product of its digits is 41472, while the sum is 38.

The square root of 143489216 is about 11978.6984267908. The cubic root of 143489216 is about 523.5278072407.

The spelling of 143489216 in words is "one hundred forty-three million, four hundred eighty-nine thousand, two hundred sixteen".