1444539148 has 24 divisors (see below), whose sum is σ = 2743849472. Its totient is φ = 661457664.

The previous prime is 1444539137. The next prime is 1444539157. The reversal of 1444539148 is 8419354441.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102765 + ... + 115972.

Almost surely, 2^1444539148 is an apocalyptic number.

It is an amenable number.

1444539148 is a deficient number, since it is larger than the sum of its proper divisors (1299310324).

1444539148 is a wasteful number, since it uses less digits than its factorization.

1444539148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218881 (or 218879 counting only the distinct ones).

The product of its digits is 276480, while the sum is 43.

The square root of 1444539148 is about 38007.0933905764. The cubic root of 1444539148 is about 1130.4285183967.

The spelling of 1444539148 in words is "one billion, four hundred forty-four million, five hundred thirty-nine thousand, one hundred forty-eight".