1145234012 has 48 divisors (see below), whose sum is σ = 2238092640. Its totient is φ = 509123328.

The previous prime is 1145234011. The next prime is 1145234021. The reversal of 1145234012 is 2104325411.

It is a super-2 number, since 2×1145234012² = 2623121884483232288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145234011) 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, 984143 + ... + 985305.

It is an arithmetic number, because the mean of its divisors is an integer number (46626930).

Almost surely, 2^1145234012 is an apocalyptic number.

It is an amenable number.

1145234012 is a deficient number, since it is larger than the sum of its proper divisors (1092858628).

1145234012 is a wasteful number, since it uses less digits than its factorization.

1145234012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1862 (or 1860 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1145234012 is about 33841.3062986641. The cubic root of 1145234012 is about 1046.2402228227.

Adding to 1145234012 its reverse (2104325411), we get a palindrome (3249559423).

The spelling of 1145234012 in words is "one billion, one hundred forty-five million, two hundred thirty-four thousand, twelve".