144471705 has 16 divisors (see below), whose sum is σ = 264177024. Its totient is φ = 66044160.

The previous prime is 144471689. The next prime is 144471727. The reversal of 144471705 is 507174441.

144471705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 144471705 - 2⁴ = 144471689 is a prime.

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, 687856 + ... + 688065.

It is an arithmetic number, because the mean of its divisors is an integer number (16511064).

Almost surely, 2^144471705 is an apocalyptic number.

144471705 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

144471705 is a deficient number, since it is larger than the sum of its proper divisors (119705319).

144471705 is a wasteful number, since it uses less digits than its factorization.

144471705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375936.

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 144471705 is about 12019.6383057062. The cubic root of 144471705 is about 524.7199776535.

The spelling of 144471705 in words is "one hundred forty-four million, four hundred seventy-one thousand, seven hundred five".