1145562212 has 12 divisors (see below), whose sum is σ = 2110246320. Its totient is φ = 542634696.

The previous prime is 1145562191. The next prime is 1145562233. The reversal of 1145562212 is 2122655411.

It is an interprime number because it is at equal distance from previous prime (1145562191) and next prime (1145562233).

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 7536518 + ... + 7536669.

It is an arithmetic number, because the mean of its divisors is an integer number (175853860).

Almost surely, 2^1145562212 is an apocalyptic number.

It is an amenable number.

1145562212 is a deficient number, since it is larger than the sum of its proper divisors (964684108).

1145562212 is a wasteful number, since it uses less digits than its factorization.

1145562212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15073210 (or 15073208 counting only the distinct ones).

The product of its digits is 4800, while the sum is 29.

The square root of 1145562212 is about 33846.1550548951. The cubic root of 1145562212 is about 1046.3401567638.

The spelling of 1145562212 in words is "one billion, one hundred forty-five million, five hundred sixty-two thousand, two hundred twelve".