143954044956 has 18 divisors (see below), whose sum is σ = 363883835952. Its totient is φ = 47984681640.

The previous prime is 143954044951. The next prime is 143954044967. The reversal of 143954044956 is 659440459341.

143954044956 is a `hidden beast` number, since 1 + 4 + 3 + 9 + 540 + 4 + 4 + 95 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143954044951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1999361700 + ... + 1999361771.

It is an arithmetic number, because the mean of its divisors is an integer number (20215768664).

Almost surely, 2^143954044956 is an apocalyptic number.

It is an amenable number.

143954044956 is an abundant number, since it is smaller than the sum of its proper divisors (219929790996).

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

143954044956 is a wasteful number, since it uses less digits than its factorization.

143954044956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3998723481 (or 3998723476 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 54.

The spelling of 143954044956 in words is "one hundred forty-three billion, nine hundred fifty-four million, forty-four thousand, nine hundred fifty-six".