1005134245 has 16 divisors (see below), whose sum is σ = 1260483840. Its totient is φ = 768688704.

The previous prime is 1005134243. The next prime is 1005134321. The reversal of 1005134245 is 5424315001.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1005134245 - 2¹ = 1005134243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1005134243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39630 + ... + 59839.

It is an arithmetic number, because the mean of its divisors is an integer number (78780240).

Almost surely, 2^1005134245 is an apocalyptic number.

It is an amenable number.

1005134245 is a deficient number, since it is larger than the sum of its proper divisors (255349595).

1005134245 is an equidigital number, since it uses as much as digits as its factorization.

1005134245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99564.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1005134245 is about 31703.8522107330. The cubic root of 1005134245 is about 1001.7084943846.

Adding to 1005134245 its reverse (5424315001), we get a palindrome (6429449246).

The spelling of 1005134245 in words is "one billion, five million, one hundred thirty-four thousand, two hundred forty-five".