1065304645 has 4 divisors (see below), whose sum is σ = 1278365580. Its totient is φ = 852243712.

The previous prime is 1065304637. The next prime is 1065304657. The reversal of 1065304645 is 5464035601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5464035601 = 41 ⋅133269161.

It can be written as a sum of positive squares in 2 ways, for example, as 382945761 + 682358884 = 19569^2 + 26122^2 .

It is a cyclic number.

It is not a de Polignac number, because 1065304645 - 2³ = 1065304637 is a prime.

It is a super-2 number, since 2×1065304645² = 2269747973317152050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1065304645.

It is a congruent number.

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, 106530460 + ... + 106530469.

It is an arithmetic number, because the mean of its divisors is an integer number (319591395).

Almost surely, 2^1065304645 is an apocalyptic number.

It is an amenable number.

1065304645 is a deficient number, since it is larger than the sum of its proper divisors (213060935).

1065304645 is an equidigital number, since it uses as much as digits as its factorization.

1065304645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213060934.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 1065304645 is about 32639.0049633870. The cubic root of 1065304645 is about 1021.3108371037.

The spelling of 1065304645 in words is "one billion, sixty-five million, three hundred four thousand, six hundred forty-five".