142043723440 has 40 divisors (see below), whose sum is σ = 331100705520. Its totient is φ = 56671416576.

The previous prime is 142043723411. The next prime is 142043723513. The reversal of 142043723440 is 44327340241.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 142043723396 and 142043723405.

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 7 ways as a sum of consecutive naturals, for example, 2251074 + ... + 2313313.

It is an arithmetic number, because the mean of its divisors is an integer number (8277517638).

Almost surely, 2^142043723440 is an apocalyptic number.

142043723440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

142043723440 is an abundant number, since it is smaller than the sum of its proper divisors (189056982080).

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

142043723440 is a wasteful number, since it uses less digits than its factorization.

142043723440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4564789 (or 4564783 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 34.

The spelling of 142043723440 in words is "one hundred forty-two billion, forty-three million, seven hundred twenty-three thousand, four hundred forty".