143117444421 has 48 divisors (see below), whose sum is σ = 237293322240. Its totient is φ = 81423234720.

The previous prime is 143117444411. The next prime is 143117444461. The reversal of 143117444421 is 124444711341.

143117444421 is a `hidden beast` number, since 1 + 43 + 1 + 174 + 4 + 442 + 1 = 666.

It is not a de Polignac number, because 143117444421 - 2³⁷ = 5678490949 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143117444411) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 46419946 + ... + 46423028.

It is an arithmetic number, because the mean of its divisors is an integer number (4943610880).

Almost surely, 2^143117444421 is an apocalyptic number.

It is an amenable number.

143117444421 is a deficient number, since it is larger than the sum of its proper divisors (94175877819).

143117444421 is a wasteful number, since it uses less digits than its factorization.

143117444421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6086 (or 6083 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The spelling of 143117444421 in words is "one hundred forty-three billion, one hundred seventeen million, four hundred forty-four thousand, four hundred twenty-one".