144873105520 has 80 divisors (see below), whose sum is σ = 395716360032. Its totient is φ = 48628730880.

The previous prime is 144873105439. The next prime is 144873105557. The reversal of 144873105520 is 25501378441.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 6320427 + ... + 6343306.

Almost surely, 2^144873105520 is an apocalyptic number.

144873105520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144873105520 is an abundant number, since it is smaller than the sum of its proper divisors (250843254512).

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

144873105520 is a wasteful number, since it uses less digits than its factorization.

144873105520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12663770 (or 12663764 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 40.

The spelling of 144873105520 in words is "one hundred forty-four billion, eight hundred seventy-three million, one hundred five thousand, five hundred twenty".