1143553846 has 8 divisors (see below), whose sum is σ = 1716294960. Its totient is φ = 571455528.

The previous prime is 1143553799. The next prime is 1143553849. The reversal of 1143553846 is 6483553411.

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

It is a junction number, because it is equal to n+sod(n) for n = 1143553799 and 1143553808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1143553849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156226 + ... + 163381.

It is an arithmetic number, because the mean of its divisors is an integer number (214536870).

Almost surely, 2^1143553846 is an apocalyptic number.

1143553846 is a deficient number, since it is larger than the sum of its proper divisors (572741114).

1143553846 is a wasteful number, since it uses less digits than its factorization.

1143553846 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321398.

The product of its digits is 172800, while the sum is 40.

The square root of 1143553846 is about 33816.4729976383. The cubic root of 1143553846 is about 1045.7283281413.

The spelling of 1143553846 in words is "one billion, one hundred forty-three million, five hundred fifty-three thousand, eight hundred forty-six".