1155443234 has 16 divisors (see below), whose sum is σ = 1894458240. Its totient is φ = 524164560.

The previous prime is 1155443213. The next prime is 1155443243. The reversal of 1155443234 is 4323445511.

It is a self number, because there is not a number n which added to its sum of digits gives 1155443234.

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, 40394 + ... + 62789.

It is an arithmetic number, because the mean of its divisors is an integer number (118403640).

Almost surely, 2^1155443234 is an apocalyptic number.

1155443234 is a deficient number, since it is larger than the sum of its proper divisors (739015006).

1155443234 is a wasteful number, since it uses less digits than its factorization.

1155443234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103705.

The product of its digits is 28800, while the sum is 32.

The square root of 1155443234 is about 33991.8112786006. The cubic root of 1155443234 is about 1049.3399431326.

Adding to 1155443234 its reverse (4323445511), we get a palindrome (5478888745).

The spelling of 1155443234 in words is "one billion, one hundred fifty-five million, four hundred forty-three thousand, two hundred thirty-four".