144804071478 has 64 divisors (see below), whose sum is σ = 326484981504. Its totient is φ = 42435120000.

The previous prime is 144804071431. The next prime is 144804071479. The reversal of 144804071478 is 874170408441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144804071479) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 34048 + ... + 539228.

It is an arithmetic number, because the mean of its divisors is an integer number (5101327836).

Almost surely, 2^144804071478 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 144804071478, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163242490752).

144804071478 is an abundant number, since it is smaller than the sum of its proper divisors (181680910026).

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

144804071478 is a wasteful number, since it uses less digits than its factorization.

144804071478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505341.

The product of its (nonzero) digits is 802816, while the sum is 48.

The spelling of 144804071478 in words is "one hundred forty-four billion, eight hundred four million, seventy-one thousand, four hundred seventy-eight".