144578044 has 24 divisors (see below), whose sum is σ = 273786128. Its totient is φ = 66407040.

The previous prime is 144578041. The next prime is 144578059. The reversal of 144578044 is 440875441.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 144577994 and 144578012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144578041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4384 + ... + 17560.

Almost surely, 2^144578044 is an apocalyptic number.

It is an amenable number.

144578044 is a deficient number, since it is larger than the sum of its proper divisors (129208084).

144578044 is a wasteful number, since it uses less digits than its factorization.

144578044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13405 (or 13403 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 37.

The square root of 144578044 is about 12024.0610444226. The cubic root of 144578044 is about 524.8486868545.

The spelling of 144578044 in words is "one hundred forty-four million, five hundred seventy-eight thousand, forty-four".