1145303012 has 48 divisors (see below), whose sum is σ = 2317472640. Its totient is φ = 485121792.

The previous prime is 1145302993. The next prime is 1145303017. The reversal of 1145303012 is 2103035411.

It is not an unprimeable number, because it can be changed into a prime (1145303017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1123439 + ... + 1124457.

It is an arithmetic number, because the mean of its divisors is an integer number (48280680).

Almost surely, 2^1145303012 is an apocalyptic number.

It is an amenable number.

1145303012 is an abundant number, since it is smaller than the sum of its proper divisors (1172169628).

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

1145303012 is a wasteful number, since it uses less digits than its factorization.

1145303012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460 (or 1458 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 1145303012 is about 33842.3257475015. The cubic root of 1145303012 is about 1046.2612342855.

Adding to 1145303012 its reverse (2103035411), we get a palindrome (3248338423).

The spelling of 1145303012 in words is "one billion, one hundred forty-five million, three hundred three thousand, twelve".