144239319 has 32 divisors (see below), whose sum is σ = 248238080. Its totient is φ = 81064800.

The previous prime is 144239297. The next prime is 144239321. The reversal of 144239319 is 913932441.

It is not a de Polignac number, because 144239319 - 2⁷ = 144239191 is a prime.

It is a super-2 number, since 2×144239319² = 41609962291167522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144239369) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5274 + ... + 17784.

It is an arithmetic number, because the mean of its divisors is an integer number (7757440).

Almost surely, 2^144239319 is an apocalyptic number.

144239319 is a deficient number, since it is larger than the sum of its proper divisors (103998761).

144239319 is a wasteful number, since it uses less digits than its factorization.

144239319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12588 (or 12582 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 144239319 is about 12009.9674853848. The cubic root of 144239319 is about 524.4384853595.

The spelling of 144239319 in words is "one hundred forty-four million, two hundred thirty-nine thousand, three hundred nineteen".