144961143 has 8 divisors (see below), whose sum is σ = 193904256. Its totient is φ = 96329400.

The previous prime is 144961123. The next prime is 144961151. The reversal of 144961143 is 341169441.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 144961143 - 2⁹ = 144960631 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144961123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76753 + ... + 78618.

It is an arithmetic number, because the mean of its divisors is an integer number (24238032).

Almost surely, 2^144961143 is an apocalyptic number.

144961143 is a deficient number, since it is larger than the sum of its proper divisors (48943113).

144961143 is a wasteful number, since it uses less digits than its factorization.

144961143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 155685.

The product of its digits is 10368, while the sum is 33.

The square root of 144961143 is about 12039.9810215797. The cubic root of 144961143 is about 525.3118546282.

The spelling of 144961143 in words is "one hundred forty-four million, nine hundred sixty-one thousand, one hundred forty-three".