144983138 has 12 divisors (see below), whose sum is σ = 218525490. Its totient is φ = 72142560.

The previous prime is 144983081. The next prime is 144983147. The reversal of 144983138 is 831389441.

144983138 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 60949249 + 84033889 = 7807^2 + 9167^2 .

It is a super-2 number, since 2×144983138² = 42040220608654088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 144983095 and 144983104.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 344168 + ... + 344588.

Almost surely, 2^144983138 is an apocalyptic number.

144983138 is a deficient number, since it is larger than the sum of its proper divisors (73542352).

144983138 is an frugal number, since it uses more digits than its factorization.

144983138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253 (or 832 counting only the distinct ones).

The product of its digits is 82944, while the sum is 41.

The square root of 144983138 is about 12040.8944019952. The cubic root of 144983138 is about 525.3384218624.

The spelling of 144983138 in words is "one hundred forty-four million, nine hundred eighty-three thousand, one hundred thirty-eight".