1143534605 has 8 divisors (see below), whose sum is σ = 1372538112. Its totient is φ = 914629968.

The previous prime is 1143534593. The next prime is 1143534643. The reversal of 1143534605 is 5064353411.

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 1143534605 - 2²⁰ = 1142486029 is a prime.

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, 3704 + ... + 47966.

It is an arithmetic number, because the mean of its divisors is an integer number (171567264).

Almost surely, 2^1143534605 is an apocalyptic number.

It is an amenable number.

1143534605 is a deficient number, since it is larger than the sum of its proper divisors (229003507).

1143534605 is an equidigital number, since it uses as much as digits as its factorization.

1143534605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49435.

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 1143534605 is about 33816.1885049158. The cubic root of 1143534605 is about 1045.7224631000.

The spelling of 1143534605 in words is "one billion, one hundred forty-three million, five hundred thirty-four thousand, six hundred five".