144340406742 has 32 divisors (see below), whose sum is σ = 330477345792. Its totient is φ = 41170564224.

The previous prime is 144340406731. The next prime is 144340406761. The reversal of 144340406742 is 247604043441.

It is a self number, because there is not a number n which added to its sum of digits gives 144340406742.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2872798 + ... + 2922609.

It is an arithmetic number, because the mean of its divisors is an integer number (10327417056).

Almost surely, 2^144340406742 is an apocalyptic number.

144340406742 is an abundant number, since it is smaller than the sum of its proper divisors (186136939050).

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

144340406742 is a wasteful number, since it uses less digits than its factorization.

144340406742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5796012.

The product of its (nonzero) digits is 258048, while the sum is 39.

The spelling of 144340406742 in words is "one hundred forty-four billion, three hundred forty million, four hundred six thousand, seven hundred forty-two".