143400991944 has 48 divisors (see below), whose sum is σ = 417033500400. Its totient is φ = 40971711648.

The previous prime is 143400991897. The next prime is 143400991957. The reversal of 143400991944 is 449199004341.

143400991944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 143400991893 and 143400991902.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60968634 + ... + 60970985.

It is an arithmetic number, because the mean of its divisors is an integer number (8688197925).

Almost surely, 2^143400991944 is an apocalyptic number.

143400991944 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

143400991944 is an abundant number, since it is smaller than the sum of its proper divisors (273632508456).

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

143400991944 is a wasteful number, since it uses less digits than its factorization.

143400991944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121939642 (or 121939631 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 48.

The spelling of 143400991944 in words is "one hundred forty-three billion, four hundred million, nine hundred ninety-one thousand, nine hundred forty-four".