1005363445 has 16 divisors (see below), whose sum is σ = 1281774960. Its totient is φ = 755564544.

The previous prime is 1005363433. The next prime is 1005363451. The reversal of 1005363445 is 5443635001.

It can be written as a sum of positive squares in 8 ways, for example, as 116488849 + 888874596 = 10793^2 + 29814^2 .

It is a cyclic number.

It is not a de Polignac number, because 1005363445 - 2⁹ = 1005362933 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88332 + ... + 99061.

It is an arithmetic number, because the mean of its divisors is an integer number (80110935).

Almost surely, 2^1005363445 is an apocalyptic number.

It is an amenable number.

1005363445 is a deficient number, since it is larger than the sum of its proper divisors (276411515).

1005363445 is a wasteful number, since it uses less digits than its factorization.

1005363445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187464.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 1005363445 is about 31707.4667073861. The cubic root of 1005363445 is about 1001.7846282075.

Adding to 1005363445 its reverse (5443635001), we get a palindrome (6448998446).

The spelling of 1005363445 in words is "one billion, five million, three hundred sixty-three thousand, four hundred forty-five".