144542343 has 32 divisors (see below), whose sum is σ = 220050432. Its totient is φ = 83609600.

The previous prime is 144542339. The next prime is 144542371. The reversal of 144542343 is 343245441.

It is a cyclic number.

It is not a de Polignac number, because 144542343 - 2² = 144542339 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144542343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144542323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62455 + ... + 64727.

It is an arithmetic number, because the mean of its divisors is an integer number (6876576).

Almost surely, 2^144542343 is an apocalyptic number.

144542343 is a deficient number, since it is larger than the sum of its proper divisors (75508089).

144542343 is a wasteful number, since it uses less digits than its factorization.

144542343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2375.

The product of its digits is 23040, while the sum is 30.

The square root of 144542343 is about 12022.5763877798. The cubic root of 144542343 is about 524.8054825869.

Adding to 144542343 its reverse (343245441), we get a palindrome (487787784).

The spelling of 144542343 in words is "one hundred forty-four million, five hundred forty-two thousand, three hundred forty-three".