1145240512 has 28 divisors (see below), whose sum is σ = 2447402776. Its totient is φ = 528572160.

The previous prime is 1145240489. The next prime is 1145240527. The reversal of 1145240512 is 2150425411.

It is a congruent number.

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, 687414 + ... + 689077.

It is an arithmetic number, because the mean of its divisors is an integer number (87407242).

Almost surely, 2^1145240512 is an apocalyptic number.

It is an amenable number.

1145240512 is an abundant number, since it is smaller than the sum of its proper divisors (1302162264).

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

1145240512 is a wasteful number, since it uses less digits than its factorization.

1145240512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376516 (or 1376506 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 1145240512 is about 33841.4023350097. The cubic root of 1145240512 is about 1046.2422021994.

Adding to 1145240512 its reverse (2150425411), we get a palindrome (3295665923).

The spelling of 1145240512 in words is "one billion, one hundred forty-five million, two hundred forty thousand, five hundred twelve".