1143300432 has 40 divisors (see below), whose sum is σ = 2989121184. Its totient is φ = 376507264.

The previous prime is 1143300413. The next prime is 1143300443. The reversal of 1143300432 is 2340033411.

It is a super-2 number, since 2×1143300432² = 2614271755622773248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1143300399 and 1143300408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139503 + ... + 147470.

Almost surely, 2^1143300432 is an apocalyptic number.

1143300432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1143300432 is an abundant number, since it is smaller than the sum of its proper divisors (1845820752).

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

1143300432 is a wasteful number, since it uses less digits than its factorization.

1143300432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287067 (or 287061 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 1143300432 is about 33812.7258883397. The cubic root of 1143300432 is about 1045.6510772167.

Adding to 1143300432 its reverse (2340033411), we get a palindrome (3483333843).

The spelling of 1143300432 in words is "one billion, one hundred forty-three million, three hundred thousand, four hundred thirty-two".