1143830645 has 8 divisors (see below), whose sum is σ = 1373233056. Its totient is φ = 914640336.

The previous prime is 1143830629. The next prime is 1143830663. The reversal of 1143830645 is 5460383411.

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

It is a cyclic number.

It is not a de Polignac number, because 1143830645 - 2⁴ = 1143830629 is a prime.

It is a super-2 number, since 2×1143830645² = 2616697088882232050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40907 + ... + 62936.

It is an arithmetic number, because the mean of its divisors is an integer number (171654132).

Almost surely, 2^1143830645 is an apocalyptic number.

It is an amenable number.

1143830645 is a deficient number, since it is larger than the sum of its proper divisors (229402411).

1143830645 is a wasteful number, since it uses less digits than its factorization.

1143830645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106051.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 1143830645 is about 33820.5654151435. The cubic root of 1143830645 is about 1045.8126947281.

The spelling of 1143830645 in words is "one billion, one hundred forty-three million, eight hundred thirty thousand, six hundred forty-five".