143230440045021 has 32 divisors (see below), whose sum is σ = 218379058513920. Its totient is φ = 81799795135296.

The previous prime is 143230440045019. The next prime is 143230440045071. The reversal of 143230440045021 is 120540044032341.

It is not a de Polignac number, because 143230440045021 - 2¹ = 143230440045019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143230440045071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 330778560 + ... + 331211286.

It is an arithmetic number, because the mean of its divisors is an integer number (6824345578560).

Almost surely, 2^{143230440045021} is an apocalyptic number.

It is an amenable number.

143230440045021 is a deficient number, since it is larger than the sum of its proper divisors (75148618468899).

143230440045021 is a wasteful number, since it uses less digits than its factorization.

143230440045021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441593.

The product of its (nonzero) digits is 46080, while the sum is 33.

Adding to 143230440045021 its reverse (120540044032341), we get a palindrome (263770484077362).

The spelling of 143230440045021 in words is "one hundred forty-three trillion, two hundred thirty billion, four hundred forty million, forty-five thousand, twenty-one".