1143100828 has 24 divisors (see below), whose sum is σ = 2138320800. Its totient is φ = 533364480.

The previous prime is 1143100823. The next prime is 1143100843. The reversal of 1143100828 is 8280013411.

It is a junction number, because it is equal to n+sod(n) for n = 1143100796 and 1143100805.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143100823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147753 + ... + 155296.

It is an arithmetic number, because the mean of its divisors is an integer number (89096700).

Almost surely, 2^1143100828 is an apocalyptic number.

It is an amenable number.

1143100828 is a deficient number, since it is larger than the sum of its proper divisors (995219972).

1143100828 is a wasteful number, since it uses less digits than its factorization.

1143100828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303117 (or 303115 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 1143100828 is about 33809.7741489055. The cubic root of 1143100828 is about 1045.5902217380.

The spelling of 1143100828 in words is "one billion, one hundred forty-three million, one hundred thousand, eight hundred twenty-eight".