1094589745 has 4 divisors (see below), whose sum is σ = 1313507700. Its totient is φ = 875671792.

The previous prime is 1094589709. The next prime is 1094589763. The reversal of 1094589745 is 5479854901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5479854901 = 1019 ⋅5377679.

It can be written as a sum of positive squares in 2 ways, for example, as 424401201 + 670188544 = 20601^2 + 25888^2 .

It is a cyclic number.

It is not a de Polignac number, because 1094589745 - 2¹⁹ = 1094065457 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1094589692 and 1094589701.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109458970 + ... + 109458979.

It is an arithmetic number, because the mean of its divisors is an integer number (328376925).

Almost surely, 2^1094589745 is an apocalyptic number.

It is an amenable number.

1094589745 is a deficient number, since it is larger than the sum of its proper divisors (218917955).

1094589745 is an equidigital number, since it uses as much as digits as its factorization.

1094589745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218917954.

The product of its (nonzero) digits is 1814400, while the sum is 52.

The square root of 1094589745 is about 33084.5847034537. The cubic root of 1094589745 is about 1030.5849396873.

It can be divided in two parts, 109 and 4589745, that added together give a palindrome (4589854).

The spelling of 1094589745 in words is "one billion, ninety-four million, five hundred eighty-nine thousand, seven hundred forty-five".