144278143 has 4 divisors (see below), whose sum is σ = 144524520. Its totient is φ = 144031768.

The previous prime is 144278129. The next prime is 144278159. The reversal of 144278143 is 341872441.

It is a happy number.

144278143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 144278143 - 2⁵ = 144278111 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 144278099 and 144278108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144278443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122308 + ... + 123481.

It is an arithmetic number, because the mean of its divisors is an integer number (36131130).

Almost surely, 2^144278143 is an apocalyptic number.

144278143 is a deficient number, since it is larger than the sum of its proper divisors (246377).

144278143 is an equidigital number, since it uses as much as digits as its factorization.

144278143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246376.

The product of its digits is 21504, while the sum is 34.

The square root of 144278143 is about 12011.5837007449. The cubic root of 144278143 is about 524.4855344197.

The spelling of 144278143 in words is "one hundred forty-four million, two hundred seventy-eight thousand, one hundred forty-three".