1145144214 has 12 divisors (see below), whose sum is σ = 2481145836. Its totient is φ = 381714732.

The previous prime is 1145144213. The next prime is 1145144239. The reversal of 1145144214 is 4124415411.

It is a happy number.

It is a super-2 number, since 2×1145144214² = 2622710541715355592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145144213) 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 5 ways as a sum of consecutive naturals, for example, 31809544 + ... + 31809579.

It is an arithmetic number, because the mean of its divisors is an integer number (206762153).

Almost surely, 2^1145144214 is an apocalyptic number.

1145144214 is an abundant number, since it is smaller than the sum of its proper divisors (1336001622).

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

1145144214 is a wasteful number, since it uses less digits than its factorization.

1145144214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63619131 (or 63619128 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 1145144214 is about 33839.9795212704. The cubic root of 1145144214 is about 1046.2128768147.

Adding to 1145144214 its reverse (4124415411), we get a palindrome (5269559625).

It can be divided in two parts, 11451442 and 14, that added together give a square (11451456 = 3384²).

The spelling of 1145144214 in words is "one billion, one hundred forty-five million, one hundred forty-four thousand, two hundred fourteen".