144385047 has 24 divisors (see below), whose sum is σ = 220688000. Its totient is φ = 90710928.

The previous prime is 144385039. The next prime is 144385049. The reversal of 144385047 is 740583441.

144385047 is a `hidden beast` number, since 144 + 3 + 8 + 504 + 7 = 666.

It is not a de Polignac number, because 144385047 - 2³ = 144385039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144385049) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31908 + ... + 36150.

Almost surely, 2^144385047 is an apocalyptic number.

144385047 is a deficient number, since it is larger than the sum of its proper divisors (76302953).

144385047 is a wasteful number, since it uses less digits than its factorization.

144385047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4467 (or 4464 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 36.

The square root of 144385047 is about 12016.0329144023. The cubic root of 144385047 is about 524.6150429687.

The spelling of 144385047 in words is "one hundred forty-four million, three hundred eighty-five thousand, forty-seven".