143974656 has 216 divisors, whose sum is σ = 484673280. Its totient is φ = 40255488.

The previous prime is 143974631. The next prime is 143974667. The reversal of 143974656 is 656479341.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1274056 + ... + 1274168.

Almost surely, 2^143974656 is an apocalyptic number.

143974656 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 143974656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (242336640).

143974656 is an abundant number, since it is smaller than the sum of its proper divisors (340698624).

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

143974656 is a wasteful number, since it uses less digits than its factorization.

143974656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221 (or 204 counting only the distinct ones).

The product of its digits is 544320, while the sum is 45.

The square root of 143974656 is about 11998.9439535319. The cubic root of 143974656 is about 524.1175270052.

The spelling of 143974656 in words is "one hundred forty-three million, nine hundred seventy-four thousand, six hundred fifty-six".