1145330312 has 24 divisors (see below), whose sum is σ = 2498106510. Its totient is φ = 490855680.

The previous prime is 1145330269. The next prime is 1145330353. The reversal of 1145330312 is 2130335411.

It can be written as a sum of positive squares in only one way, i.e., 1099983556 + 45346756 = 33166^2 + 6734^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1460489 + ... + 1461272.

Almost surely, 2^1145330312 is an apocalyptic number.

It is an amenable number.

1145330312 is an abundant number, since it is smaller than the sum of its proper divisors (1352776198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1145330312 is a wasteful number, since it uses less digits than its factorization.

1145330312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2921781 (or 2921770 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 1145330312 is about 33842.7290861715. The cubic root of 1145330312 is about 1046.2695472834.

Adding to 1145330312 its reverse (2130335411), we get a palindrome (3275665723).

The spelling of 1145330312 in words is "one billion, one hundred forty-five million, three hundred thirty thousand, three hundred twelve".