1143402030 has 24 divisors (see below), whose sum is σ = 2972845512. Its totient is φ = 304907184.

The previous prime is 1143402023. The next prime is 1143402089. The reversal of 1143402030 is 302043411.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1143401994 and 1143402012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6352144 + ... + 6352323.

It is an arithmetic number, because the mean of its divisors is an integer number (123868563).

Almost surely, 2^1143402030 is an apocalyptic number.

1143402030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1143402030 is an abundant number, since it is smaller than the sum of its proper divisors (1829443482).

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

1143402030 is a wasteful number, since it uses less digits than its factorization.

1143402030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12704480 (or 12704477 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1143402030 is about 33814.2282183107. The cubic root of 1143402030 is about 1045.6820498023.

Adding to 1143402030 its reverse (302043411), we get a palindrome (1445445441).

The spelling of 1143402030 in words is "one billion, one hundred forty-three million, four hundred two thousand, thirty".