1153445612 has 24 divisors (see below), whose sum is σ = 2248888320. Its totient is φ = 513137360.

The previous prime is 1153445611. The next prime is 1153445627. The reversal of 1153445612 is 2165443511.

It is not an unprimeable number, because it can be changed into a prime (1153445611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 276812 + ... + 280947.

It is an arithmetic number, because the mean of its divisors is an integer number (93703680).

Almost surely, 2^1153445612 is an apocalyptic number.

It is an amenable number.

1153445612 is a deficient number, since it is larger than the sum of its proper divisors (1095442708).

1153445612 is a wasteful number, since it uses less digits than its factorization.

1153445612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557821 (or 557819 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 1153445612 is about 33962.4146962491. The cubic root of 1153445612 is about 1048.7348668950.

The spelling of 1153445612 in words is "one billion, one hundred fifty-three million, four hundred forty-five thousand, six hundred twelve".