144222743 has 16 divisors (see below), whose sum is σ = 169036800. Its totient is φ = 120483936.

The previous prime is 144222737. The next prime is 144222751. The reversal of 144222743 is 347222441.

It is not a de Polignac number, because 144222743 - 2¹² = 144218647 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 (144222773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92333 + ... + 93881.

It is an arithmetic number, because the mean of its divisors is an integer number (10564800).

Almost surely, 2^144222743 is an apocalyptic number.

144222743 is a deficient number, since it is larger than the sum of its proper divisors (24814057).

144222743 is a wasteful number, since it uses less digits than its factorization.

144222743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886.

The product of its digits is 10752, while the sum is 29.

The square root of 144222743 is about 12009.2773720986. The cubic root of 144222743 is about 524.4183950784.

The spelling of 144222743 in words is "one hundred forty-four million, two hundred twenty-two thousand, seven hundred forty-three".