1145253312 has 84 divisors (see below), whose sum is σ = 3751626736. Its totient is φ = 327214080.

The previous prime is 1145253301. The next prime is 1145253337. The reversal of 1145253312 is 2133525411.

1145253312 is a `hidden beast` number, since 114 + 5 + 2 + 533 + 12 = 666.

It is a tau number, because it is divible by the number of its divisors (84).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 137989 + ... + 146052.

Almost surely, 2^1145253312 is an apocalyptic number.

1145253312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1145253312 is an abundant number, since it is smaller than the sum of its proper divisors (2606373424).

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

1145253312 is a wasteful number, since it uses less digits than its factorization.

1145253312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284066 (or 284053 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 1145253312 is about 33841.5914519397. The cubic root of 1145253312 is about 1046.2461000270.

Adding to 1145253312 its reverse (2133525411), we get a palindrome (3278778723).

The spelling of 1145253312 in words is "one billion, one hundred forty-five million, two hundred fifty-three thousand, three hundred twelve".