144505143 has 12 divisors (see below), whose sum is σ = 208941928. Its totient is φ = 96238800.

The previous prime is 144505129. The next prime is 144505147. The reversal of 144505143 is 341505441.

It is a happy number.

144505143 is a `hidden beast` number, since 14 + 4 + 505 + 143 = 666.

It is not a de Polignac number, because 144505143 - 2⁵ = 144505111 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 (144505147) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1821 + ... + 17097.

Almost surely, 2^144505143 is an apocalyptic number.

144505143 is a deficient number, since it is larger than the sum of its proper divisors (64436785).

144505143 is a wasteful number, since it uses less digits than its factorization.

144505143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16334 (or 16331 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 144505143 is about 12021.0291988665. The cubic root of 144505143 is about 524.7604567059.

The spelling of 144505143 in words is "one hundred forty-four million, five hundred five thousand, one hundred forty-three".