1143849446 has 8 divisors (see below), whose sum is σ = 1715919744. Its totient is φ = 571876200.

The previous prime is 1143849401. The next prime is 1143849463. The reversal of 1143849446 is 6449483411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1143849446² = 2616783110229013832, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1143849397 and 1143849406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26171 + ... + 54521.

It is an arithmetic number, because the mean of its divisors is an integer number (214489968).

Almost surely, 2^1143849446 is an apocalyptic number.

1143849446 is a deficient number, since it is larger than the sum of its proper divisors (572070298).

1143849446 is a wasteful number, since it uses less digits than its factorization.

1143849446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48526.

The product of its digits is 331776, while the sum is 44.

The square root of 1143849446 is about 33820.8433661847. The cubic root of 1143849446 is about 1045.8184246604.

The spelling of 1143849446 in words is "one billion, one hundred forty-three million, eight hundred forty-nine thousand, four hundred forty-six".