144742042478 has 32 divisors (see below), whose sum is σ = 243319971168. Its totient is φ = 63995788800.

The previous prime is 144742042421. The next prime is 144742042499. The reversal of 144742042478 is 874240247441.

144742042478 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 3136226 + ... + 3182042.

It is an arithmetic number, because the mean of its divisors is an integer number (7603749099).

Almost surely, 2^144742042478 is an apocalyptic number.

144742042478 is a deficient number, since it is larger than the sum of its proper divisors (98577928690).

144742042478 is a wasteful number, since it uses less digits than its factorization.

144742042478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49748.

The product of its (nonzero) digits is 1605632, while the sum is 47.

The spelling of 144742042478 in words is "one hundred forty-four billion, seven hundred forty-two million, forty-two thousand, four hundred seventy-eight".