144904061440 has 160 divisors (see below), whose sum is σ = 368373101184. Its totient is φ = 54477127680.

The previous prime is 144904061413. The next prime is 144904061447. The reversal of 144904061440 is 44160409441.

It is a tau number, because it is divible by the number of its divisors (160).

It is a self number, because there is not a number n which added to its sum of digits gives 144904061440.

It is not an unprimeable number, because it can be changed into a prime (144904061447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39470805 + ... + 39474475.

Almost surely, 2^144904061440 is an apocalyptic number.

144904061440 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 144904061440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (184186550592).

144904061440 is an abundant number, since it is smaller than the sum of its proper divisors (223469039744).

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

144904061440 is an equidigital number, since it uses as much as digits as its factorization.

144904061440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4618 (or 4602 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 37.

The spelling of 144904061440 in words is "one hundred forty-four billion, nine hundred four million, sixty-one thousand, four hundred forty".