1073286945 has 12 divisors (see below), whose sum is σ = 1860364116. Its totient is φ = 572419680.

The previous prime is 1073286937. The next prime is 1073286947. The reversal of 1073286945 is 5496823701.

1073286945 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 134722449 + 938564496 = 11607^2 + 30636^2 .

It is not a de Polignac number, because 1073286945 - 2³ = 1073286937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 23850821 = 1073286945 / (1 + 0 + 7 + 3 + 2 + 8 + 6 + 9 + 4 + 5).

1073286945 is strictly pandigital in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 1073286945.

It is not an unprimeable number, because it can be changed into a prime (1073286947) 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, 11925366 + ... + 11925455.

It is an arithmetic number, because the mean of its divisors is an integer number (155030343).

It is a 2-persistent number, because it is pandigital, and so is 2⋅1073286945 = 2146573890, but 3⋅1073286945 = 3219860835 is not.

Almost surely, 2^1073286945 is an apocalyptic number.

1073286945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1073286945 is a deficient number, since it is larger than the sum of its proper divisors (787077171).

1073286945 is a wasteful number, since it uses less digits than its factorization.

1073286945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23850832 (or 23850829 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 1073286945 is about 32761.0583620249. The cubic root of 1073286945 is about 1023.8553774357.

The spelling of 1073286945 in words is "one billion, seventy-three million, two hundred eighty-six thousand, nine hundred forty-five".