143917504434 has 160 divisors (see below), whose sum is σ = 362041517376. Its totient is φ = 42346385280.

The previous prime is 143917504429. The next prime is 143917504457. The reversal of 143917504434 is 434405719341.

It is a happy number.

143917504434 is a `hidden beast` number, since 1 + 4 + 39 + 175 + 0 + 443 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 143917504434.

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 79 ways as a sum of consecutive naturals, for example, 37118904 + ... + 37122780.

Almost surely, 2^143917504434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 143917504434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181020758688).

143917504434 is an abundant number, since it is smaller than the sum of its proper divisors (218124012942).

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

143917504434 is a wasteful number, since it uses less digits than its factorization.

143917504434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4502 (or 4493 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 143917504434 in words is "one hundred forty-three billion, nine hundred seventeen million, five hundred four thousand, four hundred thirty-four".