144521516120 has 64 divisors (see below), whose sum is σ = 329969203200. Its totient is φ = 56959044480.

The previous prime is 144521516057. The next prime is 144521516137. The reversal of 144521516120 is 21615125441.

It is a happy number.

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, 1491965 + ... + 1585875.

It is an arithmetic number, because the mean of its divisors is an integer number (5155768800).

Almost surely, 2^144521516120 is an apocalyptic number.

144521516120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144521516120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164984601600).

144521516120 is an abundant number, since it is smaller than the sum of its proper divisors (185447687080).

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

144521516120 is a wasteful number, since it uses less digits than its factorization.

144521516120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94488 (or 94484 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

The spelling of 144521516120 in words is "one hundred forty-four billion, five hundred twenty-one million, five hundred sixteen thousand, one hundred twenty".