1001365445 has 4 divisors (see below), whose sum is σ = 1201638540. Its totient is φ = 801092352.

The previous prime is 1001365429. The next prime is 1001365457. The reversal of 1001365445 is 5445631001.

It is a happy number.

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 603881476 + 397483969 = 24574^2 + 19937^2 .

It is a cyclic number.

It is not a de Polignac number, because 1001365445 - 2⁴ = 1001365429 is a prime.

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, 100136540 + ... + 100136549.

It is an arithmetic number, because the mean of its divisors is an integer number (300409635).

Almost surely, 2^1001365445 is an apocalyptic number.

It is an amenable number.

1001365445 is a deficient number, since it is larger than the sum of its proper divisors (200273095).

1001365445 is an equidigital number, since it uses as much as digits as its factorization.

1001365445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200273094.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 1001365445 is about 31644.3588179631. The cubic root of 1001365445 is about 1000.4549413303.

Adding to 1001365445 its reverse (5445631001), we get a palindrome (6446996446).

The spelling of 1001365445 in words is "one billion, one million, three hundred sixty-five thousand, four hundred forty-five".