144020123520 has 768 divisors, whose sum is σ = 573061132800. Its totient is φ = 30122606592.

The previous prime is 144020123459. The next prime is 144020123531. The reversal of 144020123520 is 25321020441.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

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 95 ways as a sum of consecutive naturals, for example, 370231486 + ... + 370231874.

It is an arithmetic number, because the mean of its divisors is an integer number (746173350).

Almost surely, 2^144020123520 is an apocalyptic number.

144020123520 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 144020123520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286530566400).

144020123520 is an abundant number, since it is smaller than the sum of its proper divisors (429041009280).

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

144020123520 is a wasteful number, since it uses less digits than its factorization.

144020123520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 607 (or 582 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

Adding to 144020123520 its reverse (25321020441), we get a palindrome (169341143961).

The spelling of 144020123520 in words is "one hundred forty-four billion, twenty million, one hundred twenty-three thousand, five hundred twenty".