1145613212 has 6 divisors (see below), whose sum is σ = 2004823128. Its totient is φ = 572806604.

The previous prime is 1145613211. The next prime is 1145613247. The reversal of 1145613212 is 2123165411.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145613211) by changing a digit.

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 as a sum of consecutive naturals, namely, 143201648 + ... + 143201655.

It is an arithmetic number, because the mean of its divisors is an integer number (334137188).

Almost surely, 2^1145613212 is an apocalyptic number.

It is an amenable number.

1145613212 is a deficient number, since it is larger than the sum of its proper divisors (859209916).

1145613212 is a wasteful number, since it uses less digits than its factorization.

1145613212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286403307 (or 286403305 counting only the distinct ones).

The product of its digits is 1440, while the sum is 26.

The square root of 1145613212 is about 33846.9084555739. The cubic root of 1145613212 is about 1046.3556840905.

Adding to 1145613212 its reverse (2123165411), we get a palindrome (3268778623).

The spelling of 1145613212 in words is "one billion, one hundred forty-five million, six hundred thirteen thousand, two hundred twelve".