144647521743442 has 16 divisors (see below), whose sum is σ = 217513521100512. Its totient is φ = 72143125297600.

The previous prime is 144647521743377. The next prime is 144647521743443. The reversal of 144647521743442 is 244347125746441.

It is not an unprimeable number, because it can be changed into a prime (144647521743443) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 25029148 + ... + 30261415.

It is an arithmetic number, because the mean of its divisors is an integer number (13594595068782).

Almost surely, 2^{144647521743442} is an apocalyptic number.

144647521743442 is a deficient number, since it is larger than the sum of its proper divisors (72865999357070).

144647521743442 is a wasteful number, since it uses less digits than its factorization.

144647521743442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55293833.

The product of its digits is 72253440, while the sum is 58.

The spelling of 144647521743442 in words is "one hundred forty-four trillion, six hundred forty-seven billion, five hundred twenty-one million, seven hundred forty-three thousand, four hundred forty-two".