1143145314 has 48 divisors (see below), whose sum is σ = 2636375040. Its totient is φ = 356737920.

The previous prime is 1143145277. The next prime is 1143145319. The reversal of 1143145314 is 4135413411.

1143145314 is a `hidden beast` number, since 114 + 3 + 14 + 531 + 4 = 666.

It is not an unprimeable number, because it can be changed into a prime (1143145319) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48667 + ... + 68225.

It is an arithmetic number, because the mean of its divisors is an integer number (54924480).

Almost surely, 2^1143145314 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1143145314, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1318187520).

1143145314 is an abundant number, since it is smaller than the sum of its proper divisors (1493229726).

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

1143145314 is a wasteful number, since it uses less digits than its factorization.

1143145314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19775 (or 19772 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 1143145314 is about 33810.4320291829. The cubic root of 1143145314 is about 1045.6037852902.

Adding to 1143145314 its reverse (4135413411), we get a palindrome (5278558725).

The spelling of 1143145314 in words is "one billion, one hundred forty-three million, one hundred forty-five thousand, three hundred fourteen".