144487506720 has 96 divisors (see below), whose sum is σ = 455301362880. Its totient is φ = 38515973120.

The previous prime is 144487506637. The next prime is 144487506721. The reversal of 144487506720 is 27605784441.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 144487506720.

It is not an unprimeable number, because it can be changed into a prime (144487506721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1299730 + ... + 1406510.

It is an arithmetic number, because the mean of its divisors is an integer number (4742722530).

Almost surely, 2^144487506720 is an apocalyptic number.

144487506720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

144487506720 is an abundant number, since it is smaller than the sum of its proper divisors (310813856160).

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

144487506720 is a wasteful number, since it uses less digits than its factorization.

144487506720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109618 (or 109610 counting only the distinct ones).

The product of its (nonzero) digits is 1505280, while the sum is 48.

The spelling of 144487506720 in words is "one hundred forty-four billion, four hundred eighty-seven million, five hundred six thousand, seven hundred twenty".