1143648306 has 24 divisors (see below), whose sum is σ = 2481931920. Its totient is φ = 380596536.

The previous prime is 1143648287. The next prime is 1143648329. The reversal of 1143648306 is 6038463411.

It is a happy number.

1143648306 is a `hidden beast` number, since 1 + 1 + 4 + 3 + 648 + 3 + 0 + 6 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40180 + ... + 62463.

It is an arithmetic number, because the mean of its divisors is an integer number (103413830).

Almost surely, 2^1143648306 is an apocalyptic number.

1143648306 is an abundant number, since it is smaller than the sum of its proper divisors (1338283614).

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

1143648306 is a wasteful number, since it uses less digits than its factorization.

1143648306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103270 (or 103267 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 1143648306 is about 33817.8696253918. The cubic root of 1143648306 is about 1045.7571204827.

The spelling of 1143648306 in words is "one billion, one hundred forty-three million, six hundred forty-eight thousand, three hundred six".