144538339 has 16 divisors (see below), whose sum is σ = 166538880. Its totient is φ = 124061760.

The previous prime is 144538327. The next prime is 144538343. The reversal of 144538339 is 933835441.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 144538339 - 2⁵ = 144538307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (144538139) 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, 71527 + ... + 73519.

It is an arithmetic number, because the mean of its divisors is an integer number (10408680).

Almost surely, 2^144538339 is an apocalyptic number.

144538339 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

144538339 is a deficient number, since it is larger than the sum of its proper divisors (22000541).

144538339 is a wasteful number, since it uses less digits than its factorization.

144538339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2370.

The product of its digits is 155520, while the sum is 40.

The square root of 144538339 is about 12022.4098665783. The cubic root of 144538339 is about 524.8006366239.

The spelling of 144538339 in words is "one hundred forty-four million, five hundred thirty-eight thousand, three hundred thirty-nine".