144448073478 has 24 divisors (see below), whose sum is σ = 313119025128. Its totient is φ = 48126557952.

The previous prime is 144448073461. The next prime is 144448073501. The reversal of 144448073478 is 874370844441.

144448073478 is a `hidden beast` number, since 14 + 44 + 480 + 73 + 47 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1860900 + ... + 1936967.

It is an arithmetic number, because the mean of its divisors is an integer number (13046626047).

Almost surely, 2^144448073478 is an apocalyptic number.

144448073478 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

144448073478 is an abundant number, since it is smaller than the sum of its proper divisors (168670951650).

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

144448073478 is a wasteful number, since it uses less digits than its factorization.

144448073478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3799988 (or 3799985 counting only the distinct ones).

The product of its (nonzero) digits is 9633792, while the sum is 54.

The spelling of 144448073478 in words is "one hundred forty-four billion, four hundred forty-eight million, seventy-three thousand, four hundred seventy-eight".