144428587143 has 4 divisors (see below), whose sum is σ = 192571449528. Its totient is φ = 96285724760.

The previous prime is 144428587139. The next prime is 144428587151. The reversal of 144428587143 is 341785824441.

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 144428587143 - 2² = 144428587139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144428587123) 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, 24071431188 + ... + 24071431193.

It is an arithmetic number, because the mean of its divisors is an integer number (48142862382).

Almost surely, 2^144428587143 is an apocalyptic number.

144428587143 is a deficient number, since it is larger than the sum of its proper divisors (48142862385).

144428587143 is an equidigital number, since it uses as much as digits as its factorization.

144428587143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48142862384.

The product of its digits is 3440640, while the sum is 51.

The spelling of 144428587143 in words is "one hundred forty-four billion, four hundred twenty-eight million, five hundred eighty-seven thousand, one hundred forty-three".