144542501515044 has 144 divisors (see below), whose sum is σ = 373892530764480. Its totient is φ = 47072965605120.

The previous prime is 144542501515039. The next prime is 144542501515189. The reversal of 144542501515044 is 440515105245441.

144542501515044 is a `hidden beast` number, since 1 + 4 + 4 + 5 + 4 + 2 + 501 + 51 + 50 + 44 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 98253342 + ... + 99713610.

Almost surely, 2^{144542501515044} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144542501515044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (186946265382240).

144542501515044 is an abundant number, since it is smaller than the sum of its proper divisors (229350029249436).

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

144542501515044 is a wasteful number, since it uses less digits than its factorization.

144542501515044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1460730 (or 1460725 counting only the distinct ones).

The product of its (nonzero) digits is 1280000, while the sum is 45.

The spelling of 144542501515044 in words is "one hundred forty-four trillion, five hundred forty-two billion, five hundred one million, five hundred fifteen thousand, forty-four".