143994256 has 80 divisors (see below), whose sum is σ = 334581760. Its totient is φ = 58734720.

The previous prime is 143994241. The next prime is 143994271. The reversal of 143994256 is 652499341.

It is an interprime number because it is at equal distance from previous prime (143994241) and next prime (143994271).

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, 232315 + ... + 232933.

It is an arithmetic number, because the mean of its divisors is an integer number (4182272).

Almost surely, 2^143994256 is an apocalyptic number.

143994256 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 143994256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167290880).

143994256 is an abundant number, since it is smaller than the sum of its proper divisors (190587504).

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

143994256 is a wasteful number, since it uses less digits than its factorization.

143994256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732 (or 726 counting only the distinct ones).

The product of its digits is 233280, while the sum is 43.

The square root of 143994256 is about 11999.7606642799. The cubic root of 143994256 is about 524.1413095183.

The spelling of 143994256 in words is "one hundred forty-three million, nine hundred ninety-four thousand, two hundred fifty-six".