1143453532 has 12 divisors (see below), whose sum is σ = 2154970216. Its totient is φ = 527747760.

The previous prime is 1143453529. The next prime is 1143453547. The reversal of 1143453532 is 2353543411.

It is a junction number, because it is equal to n+sod(n) for n = 1143453494 and 1143453503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10994694 + ... + 10994797.

Almost surely, 2^1143453532 is an apocalyptic number.

It is an amenable number.

1143453532 is a deficient number, since it is larger than the sum of its proper divisors (1011516684).

1143453532 is a wasteful number, since it uses less digits than its factorization.

1143453532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21989508 (or 21989506 counting only the distinct ones).

The product of its digits is 21600, while the sum is 31.

The square root of 1143453532 is about 33814.9897530666. The cubic root of 1143453532 is about 1045.6977497069.

Adding to 1143453532 its reverse (2353543411), we get a palindrome (3496996943).

The spelling of 1143453532 in words is "one billion, one hundred forty-three million, four hundred fifty-three thousand, five hundred thirty-two".