143043361506 has 80 divisors (see below), whose sum is σ = 340733986560. Its totient is φ = 44724247200.

The previous prime is 143043361499. The next prime is 143043361523. The reversal of 143043361506 is 605163340341.

143043361506 is a `hidden beast` number, since 1 + 4 + 3 + 0 + 4 + 33 + 615 + 0 + 6 = 666.

It is a super-2 number, since 2×143043361506² (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 39 ways as a sum of consecutive naturals, for example, 80815 + ... + 540941.

It is an arithmetic number, because the mean of its divisors is an integer number (4259174832).

Almost surely, 2^143043361506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143043361506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (170366993280).

143043361506 is an abundant number, since it is smaller than the sum of its proper divisors (197690625054).

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

143043361506 is a wasteful number, since it uses less digits than its factorization.

143043361506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460261 (or 460252 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The spelling of 143043361506 in words is "one hundred forty-three billion, forty-three million, three hundred sixty-one thousand, five hundred six".