1143463338 has 32 divisors (see below), whose sum is σ = 2546305920. Its totient is φ = 380363040.

The previous prime is 1143463327. The next prime is 1143463357. The reversal of 1143463338 is 8333643411.

1143463338 is a `hidden beast` number, since 1 + 14 + 3 + 4 + 633 + 3 + 8 = 666.

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, 4558 + ... + 48038.

It is an arithmetic number, because the mean of its divisors is an integer number (79572060).

Almost surely, 2^1143463338 is an apocalyptic number.

1143463338 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1143463338 is an abundant number, since it is smaller than the sum of its proper divisors (1402842582).

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

1143463338 is a wasteful number, since it uses less digits than its factorization.

1143463338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43979 (or 43973 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 1143463338 is about 33815.1347476245. The cubic root of 1143463338 is about 1045.7007389211.

The spelling of 1143463338 in words is "one billion, one hundred forty-three million, four hundred sixty-three thousand, three hundred thirty-eight".