143989056 has 112 divisors (see below), whose sum is σ = 427939200. Its totient is φ = 47471616.

The previous prime is 143989033. The next prime is 143989057. The reversal of 143989056 is 650989341.

It is a happy number.

It is a super-2 number, since 2×143989056² = 41465696495542272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143989057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177580 + ... + 178388.

Almost surely, 2^143989056 is an apocalyptic number.

143989056 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 143989056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (213969600).

143989056 is an abundant number, since it is smaller than the sum of its proper divisors (283950144).

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

143989056 is a wasteful number, since it uses less digits than its factorization.

143989056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933 (or 917 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 143989056 is about 11999.5439913357. The cubic root of 143989056 is about 524.1350000823.

The spelling of 143989056 in words is "one hundred forty-three million, nine hundred eighty-nine thousand, fifty-six".