144930939 has 16 divisors (see below), whose sum is σ = 198640128. Its totient is φ = 93948192.

The previous prime is 144930913. The next prime is 144930943. The reversal of 144930939 is 939039441.

It is not a de Polignac number, because 144930939 - 2¹⁷ = 144799867 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 144930939.

It is not an unprimeable number, because it can be changed into a prime (144930439) 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, 18864 + ... + 25410.

It is an arithmetic number, because the mean of its divisors is an integer number (12415008).

Almost surely, 2^144930939 is an apocalyptic number.

144930939 is a deficient number, since it is larger than the sum of its proper divisors (53709189).

144930939 is a wasteful number, since it uses less digits than its factorization.

144930939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6754.

The product of its (nonzero) digits is 104976, while the sum is 42.

The square root of 144930939 is about 12038.7266353215. The cubic root of 144930939 is about 525.2753675599.

The spelling of 144930939 in words is "one hundred forty-four million, nine hundred thirty thousand, nine hundred thirty-nine".