1145281268592 has 60 divisors (see below), whose sum is σ = 3245769028320. Its totient is φ = 376928008704.

The previous prime is 1145281268591. The next prime is 1145281268653. The reversal of 1145281268592 is 2958621825411.

It is a happy number.

1145281268592 is a `hidden beast` number, since 1 + 1 + 4 + 5 + 28 + 1 + 26 + 8 + 592 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145281268591) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50326233 + ... + 50348984.

It is an arithmetic number, because the mean of its divisors is an integer number (54096150472).

Almost surely, 2^{1145281268592} is an apocalyptic number.

1145281268592 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1145281268592 is an abundant number, since it is smaller than the sum of its proper divisors (2100487759728).

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

1145281268592 is a wasteful number, since it uses less digits than its factorization.

1145281268592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100675310 (or 100675301 counting only the distinct ones).

The product of its digits is 2764800, while the sum is 54.

The spelling of 1145281268592 in words is "one trillion, one hundred forty-five billion, two hundred eighty-one million, two hundred sixty-eight thousand, five hundred ninety-two".