1214323144 has 16 divisors (see below), whose sum is σ = 2277711900. Its totient is φ = 606933312.

The previous prime is 1214323133. The next prime is 1214323147. The reversal of 1214323144 is 4413234121.

It can be written as a sum of positive squares in 2 ways, for example, as 1065239044 + 149084100 = 32638^2 + 12210^2 .

It is not an unprimeable number, because it can be changed into a prime (1214323147) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4759 + ... + 49510.

Almost surely, 2^1214323144 is an apocalyptic number.

It is an amenable number.

1214323144 is a deficient number, since it is larger than the sum of its proper divisors (1063388756).

1214323144 is a wasteful number, since it uses less digits than its factorization.

1214323144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57072 (or 57068 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 1214323144 is about 34847.1396817587. The cubic root of 1214323144 is about 1066.8698060159.

Adding to 1214323144 its reverse (4413234121), we get a palindrome (5627557265).

The spelling of 1214323144 in words is "one billion, two hundred fourteen million, three hundred twenty-three thousand, one hundred forty-four".