143998814466 has 144 divisors (see below), whose sum is σ = 359515665600. Its totient is φ = 41398304256.

The previous prime is 143998814441. The next prime is 143998814473. The reversal of 143998814466 is 664418899341.

143998814466 is a `hidden beast` number, since 1 + 4 + 3 + 9 + 98 + 81 + 4 + 466 = 666.

143998814466 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×143998814466² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 9392355 + ... + 9407673.

Almost surely, 2^143998814466 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143998814466, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179757832800).

143998814466 is an abundant number, since it is smaller than the sum of its proper divisors (215516851134).

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

143998814466 is a wasteful number, since it uses less digits than its factorization.

143998814466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15513 (or 15493 counting only the distinct ones).

The product of its digits is 35831808, while the sum is 63.

The spelling of 143998814466 in words is "one hundred forty-three billion, nine hundred ninety-eight million, eight hundred fourteen thousand, four hundred sixty-six".