1155445233 has 8 divisors (see below), whose sum is σ = 1621677600. Its totient is φ = 729754848.

The previous prime is 1155445211. The next prime is 1155445253. The reversal of 1155445233 is 3325445511.

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

It is not a de Polignac number, because 1155445233 - 2⁶ = 1155445169 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1155445194 and 1155445203.

It is not an unprimeable number, because it can be changed into a prime (1155445253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10135428 + ... + 10135541.

It is an arithmetic number, because the mean of its divisors is an integer number (202709700).

Almost surely, 2^1155445233 is an apocalyptic number.

It is an amenable number.

1155445233 is a deficient number, since it is larger than the sum of its proper divisors (466232367).

1155445233 is a wasteful number, since it uses less digits than its factorization.

1155445233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20270991.

The product of its digits is 36000, while the sum is 33.

The square root of 1155445233 is about 33991.8406827286. The cubic root of 1155445233 is about 1049.3405482768.

The spelling of 1155445233 in words is "one billion, one hundred fifty-five million, four hundred forty-five thousand, two hundred thirty-three".