1143026430 has 288 divisors, whose sum is σ = 3568904064. Its totient is φ = 233356032.

The previous prime is 1143026419. The next prime is 1143026441. The reversal of 1143026430 is 346203411.

It is an interprime number because it is at equal distance from previous prime (1143026419) and next prime (1143026441).

It is a self number, because there is not a number n which added to its sum of digits gives 1143026430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 10682437 + ... + 10682543.

It is an arithmetic number, because the mean of its divisors is an integer number (12392028).

Almost surely, 2^1143026430 is an apocalyptic number.

1143026430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1143026430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1784452032).

1143026430 is an abundant number, since it is smaller than the sum of its proper divisors (2425877634).

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

1143026430 is a wasteful number, since it uses less digits than its factorization.

1143026430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200 (or 180 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 1143026430 is about 33808.6738870367. The cubic root of 1143026430 is about 1045.5675373848.

Adding to 1143026430 its reverse (346203411), we get a palindrome (1489229841).

The spelling of 1143026430 in words is "one billion, one hundred forty-three million, twenty-six thousand, four hundred thirty".