1143022430 has 32 divisors (see below), whose sum is σ = 2250164448. Its totient is φ = 414592000.

The previous prime is 1143022427. The next prime is 1143022457. The reversal of 1143022430 is 342203411.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31154 + ... + 57066.

It is an arithmetic number, because the mean of its divisors is an integer number (70317639).

Almost surely, 2^1143022430 is an apocalyptic number.

1143022430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1143022430 is a deficient number, since it is larger than the sum of its proper divisors (1107142018).

1143022430 is a wasteful number, since it uses less digits than its factorization.

1143022430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26332.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1143022430 is about 33808.6147305683. The cubic root of 1143022430 is about 1045.5663177352.

Adding to 1143022430 its reverse (342203411), we get a palindrome (1485225841).

The spelling of 1143022430 in words is "one billion, one hundred forty-three million, twenty-two thousand, four hundred thirty".