1214544144 has 80 divisors (see below), whose sum is σ = 3602983680. Its totient is φ = 348670080.

The previous prime is 1214544137. The next prime is 1214544193. The reversal of 1214544144 is 4414454121.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50502 + ... + 70565.

It is an arithmetic number, because the mean of its divisors is an integer number (45037296).

Almost surely, 2^1214544144 is an apocalyptic number.

It is an amenable number.

1214544144 is an abundant number, since it is smaller than the sum of its proper divisors (2388439536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1214544144 is a wasteful number, since it uses less digits than its factorization.

1214544144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121108 (or 121102 counting only the distinct ones).

The product of its digits is 10240, while the sum is 30.

The square root of 1214544144 is about 34850.3105294630. The cubic root of 1214544144 is about 1066.9345235299.

Adding to 1214544144 its reverse (4414454121), we get a palindrome (5628998265).

The spelling of 1214544144 in words is "one billion, two hundred fourteen million, five hundred forty-four thousand, one hundred forty-four".