1069308145 has 4 divisors (see below), whose sum is σ = 1283169780. Its totient is φ = 855446512.

The previous prime is 1069308091. The next prime is 1069308151. The reversal of 1069308145 is 5418039601.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 197346304 + 871961841 = 14048^2 + 29529^2 .

It is a cyclic number.

It is not a de Polignac number, because 1069308145 - 2²¹ = 1067210993 is a prime.

It is a super-3 number, since 3×1069308145³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106930810 + ... + 106930819.

It is an arithmetic number, because the mean of its divisors is an integer number (320792445).

Almost surely, 2^1069308145 is an apocalyptic number.

It is an amenable number.

1069308145 is a deficient number, since it is larger than the sum of its proper divisors (213861635).

1069308145 is an equidigital number, since it uses as much as digits as its factorization.

1069308145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213861634.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 1069308145 is about 32700.2774453062. The cubic root of 1069308145 is about 1022.5886270104.

It can be divided in two parts, 1069308 and 145, that added together give a triangular number (1069453 = T₁₄₆₂).

The spelling of 1069308145 in words is "one billion, sixty-nine million, three hundred eight thousand, one hundred forty-five".