1145306312 has 16 divisors (see below), whose sum is σ = 2157630000. Its totient is φ = 569938320.

The previous prime is 1145306311. The next prime is 1145306317. The reversal of 1145306312 is 2136035411.

It is a super-4 number, since 4×1145306312⁴ (a number of 37 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (1145306311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 337562 + ... + 340937.

It is an arithmetic number, because the mean of its divisors is an integer number (134851875).

Almost surely, 2^1145306312 is an apocalyptic number.

It is an amenable number.

1145306312 is a deficient number, since it is larger than the sum of its proper divisors (1012323688).

1145306312 is a wasteful number, since it uses less digits than its factorization.

1145306312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678716 (or 678712 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 1145306312 is about 33842.3745029807. The cubic root of 1145306312 is about 1046.2622391604.

The spelling of 1145306312 in words is "one billion, one hundred forty-five million, three hundred six thousand, three hundred twelve".