1143430414 has 16 divisors (see below), whose sum is σ = 1965293568. Its totient is φ = 488759832.

The previous prime is 1143430399. The next prime is 1143430417. The reversal of 1143430414 is 4140343411.

It is a super-2 number, since 2×1143430414² = 2614866223320422792, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143430417) 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, 101262 + ... + 111985.

It is an arithmetic number, because the mean of its divisors is an integer number (122830848).

Almost surely, 2^1143430414 is an apocalyptic number.

1143430414 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1143430414 is a deficient number, since it is larger than the sum of its proper divisors (821863154).

1143430414 is a wasteful number, since it uses less digits than its factorization.

1143430414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213639.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 1143430414 is about 33814.6479206867. The cubic root of 1143430414 is about 1045.6907024584.

Adding to 1143430414 its reverse (4140343411), we get a palindrome (5283773825).

The spelling of 1143430414 in words is "one billion, one hundred forty-three million, four hundred thirty thousand, four hundred fourteen".