1143521314 has 48 divisors (see below), whose sum is σ = 1959902784. Its totient is φ = 497296800.

The previous prime is 1143521219. The next prime is 1143521321. The reversal of 1143521314 is 4131253411.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 975949 + ... + 977119.

It is an arithmetic number, because the mean of its divisors is an integer number (40831308).

Almost surely, 2^1143521314 is an apocalyptic number.

1143521314 is a deficient number, since it is larger than the sum of its proper divisors (816381470).

1143521314 is a wasteful number, since it uses less digits than its factorization.

1143521314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1303 (or 1280 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 1143521314 is about 33815.9919860412. The cubic root of 1143521314 is about 1045.7184116992.

Adding to 1143521314 its reverse (4131253411), we get a palindrome (5274774725).

The spelling of 1143521314 in words is "one billion, one hundred forty-three million, five hundred twenty-one thousand, three hundred fourteen".