144425554542 has 72 divisors (see below), whose sum is σ = 326017613376. Its totient is φ = 46198491264.

The previous prime is 144425554529. The next prime is 144425554547. The reversal of 144425554542 is 245455524441.

144425554542 is a `hidden beast` number, since 1 + 4 + 4 + 4 + 2 + 55 + 54 + 542 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144425554547) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 1758723 + ... + 1839009.

It is an arithmetic number, because the mean of its divisors is an integer number (4528022408).

Almost surely, 2^144425554542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144425554542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163008806688).

144425554542 is an abundant number, since it is smaller than the sum of its proper divisors (181592058834).

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

144425554542 is a wasteful number, since it uses less digits than its factorization.

144425554542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80442 (or 80402 counting only the distinct ones).

The product of its digits is 2560000, while the sum is 45.

The spelling of 144425554542 in words is "one hundred forty-four billion, four hundred twenty-five million, five hundred fifty-four thousand, five hundred forty-two".