144021045642 has 16 divisors (see below), whose sum is σ = 297333772032. Its totient is φ = 46458401760.

The previous prime is 144021045577. The next prime is 144021045697. The reversal of 144021045642 is 246540120441.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 387153163 + ... + 387153534.

It is an arithmetic number, because the mean of its divisors is an integer number (18583360752).

Almost surely, 2^144021045642 is an apocalyptic number.

144021045642 is an abundant number, since it is smaller than the sum of its proper divisors (153312726390).

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

144021045642 is a wasteful number, since it uses less digits than its factorization.

144021045642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774306733.

The product of its (nonzero) digits is 30720, while the sum is 33.

The spelling of 144021045642 in words is "one hundred forty-four billion, twenty-one million, forty-five thousand, six hundred forty-two".