1005144245 has 16 divisors (see below), whose sum is σ = 1379299968. Its totient is φ = 688833600.

The previous prime is 1005144241. The next prime is 1005144269. The reversal of 1005144245 is 5424415001.

It is not a de Polignac number, because 1005144245 - 2² = 1005144241 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005144241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58982 + ... + 74088.

It is an arithmetic number, because the mean of its divisors is an integer number (86206248).

Almost surely, 2^1005144245 is an apocalyptic number.

It is an amenable number.

1005144245 is a deficient number, since it is larger than the sum of its proper divisors (374155723).

1005144245 is a wasteful number, since it uses less digits than its factorization.

1005144245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17020.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 1005144245 is about 31704.0099198824. The cubic root of 1005144245 is about 1001.7118163461.

Adding to 1005144245 its reverse (5424415001), we get a palindrome (6429559246).

The spelling of 1005144245 in words is "one billion, five million, one hundred forty-four thousand, two hundred forty-five".