144530039 has 4 divisors (see below), whose sum is σ = 153031824. Its totient is φ = 136028256.

The previous prime is 144530033. The next prime is 144530053. The reversal of 144530039 is 930035441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 930035441 = 37 ⋅25136093.

It is a cyclic number.

It is not a de Polignac number, because 144530039 - 2¹⁶ = 144464503 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144529993 and 144530020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144530033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4250867 + ... + 4250900.

It is an arithmetic number, because the mean of its divisors is an integer number (38257956).

Almost surely, 2^144530039 is an apocalyptic number.

144530039 is a deficient number, since it is larger than the sum of its proper divisors (8501785).

144530039 is an equidigital number, since it uses as much as digits as its factorization.

144530039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8501784.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 144530039 is about 12022.0646729254. The cubic root of 144530039 is about 524.7905910108.

The spelling of 144530039 in words is "one hundred forty-four million, five hundred thirty thousand, thirty-nine".