144573039 has 32 divisors (see below), whose sum is σ = 231517440. Its totient is φ = 88636896.

The previous prime is 144573031. The next prime is 144573043. The reversal of 144573039 is 930375441.

It is not a de Polignac number, because 144573039 - 2³ = 144573031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144572994 and 144573012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144573031) 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, 121204 + ... + 122390.

It is an arithmetic number, because the mean of its divisors is an integer number (7234920).

Almost surely, 2^144573039 is an apocalyptic number.

144573039 is a deficient number, since it is larger than the sum of its proper divisors (86944401).

144573039 is a wasteful number, since it uses less digits than its factorization.

144573039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1556 (or 1550 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 144573039 is about 12023.8529182621. The cubic root of 144573039 is about 524.8426303839.

The spelling of 144573039 in words is "one hundred forty-four million, five hundred seventy-three thousand, thirty-nine".