1145262275688 has 32 divisors (see below), whose sum is σ = 2879150983200. Its totient is φ = 379621386048.

The previous prime is 1145262275683. The next prime is 1145262275783. The reversal of 1145262275688 is 8865722625411.

It is a happy number.

It is a super-2 number, since 2×1145262275688² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1145262275681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133289731 + ... + 133298322.

It is an arithmetic number, because the mean of its divisors is an integer number (89973468225).

Almost surely, 2^{1145262275688} is an apocalyptic number.

It is an amenable number.

1145262275688 is an abundant number, since it is smaller than the sum of its proper divisors (1733888707512).

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

1145262275688 is a wasteful number, since it uses less digits than its factorization.

1145262275688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266588241 (or 266588237 counting only the distinct ones).

The product of its digits is 12902400, while the sum is 57.

The spelling of 1145262275688 in words is "one trillion, one hundred forty-five billion, two hundred sixty-two million, two hundred seventy-five thousand, six hundred eighty-eight".