1145368026 has 80 divisors (see below), whose sum is σ = 2808574560. Its totient is φ = 345993120.

The previous prime is 1145368009. The next prime is 1145368033. The reversal of 1145368026 is 6208635411.

It is a happy number.

1145368026 is a `hidden beast` number, since 114 + 536 + 8 + 0 + 2 + 6 = 666.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 706645 + ... + 708263.

It is an arithmetic number, because the mean of its divisors is an integer number (35107182).

Almost surely, 2^1145368026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1145368026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1404287280).

1145368026 is an abundant number, since it is smaller than the sum of its proper divisors (1663206534).

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

1145368026 is a wasteful number, since it uses less digits than its factorization.

1145368026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041 (or 2032 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 1145368026 is about 33843.2862766014. The cubic root of 1145368026 is about 1046.2810311835.

The spelling of 1145368026 in words is "one billion, one hundred forty-five million, three hundred sixty-eight thousand, twenty-six".