144855039 has 16 divisors (see below), whose sum is σ = 222688512. Its totient is φ = 82040448.

The previous prime is 144855017. The next prime is 144855043. The reversal of 144855039 is 930558441.

It is not a de Polignac number, because 144855039 - 2¹² = 144850943 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 144854988 and 144855006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144855049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28149 + ... + 32894.

It is an arithmetic number, because the mean of its divisors is an integer number (13918032).

Almost surely, 2^144855039 is an apocalyptic number.

144855039 is a deficient number, since it is larger than the sum of its proper divisors (77833473).

144855039 is a wasteful number, since it uses less digits than its factorization.

144855039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61166.

The product of its (nonzero) digits is 86400, while the sum is 39.

The square root of 144855039 is about 12035.5738957476. The cubic root of 144855039 is about 525.1836563804.

The spelling of 144855039 in words is "one hundred forty-four million, eight hundred fifty-five thousand, thirty-nine".