1303145165 has 16 divisors (see below), whose sum is σ = 1788196608. Its totient is φ = 893072256.

The previous prime is 1303145117. The next prime is 1303145177. The reversal of 1303145165 is 5615413031.

It is a cyclic number.

It is not a de Polignac number, because 1303145165 - 2¹⁴ = 1303128781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 57224 + ... + 76686.

It is an arithmetic number, because the mean of its divisors is an integer number (111762288).

Almost surely, 2^1303145165 is an apocalyptic number.

It is an amenable number.

1303145165 is a deficient number, since it is larger than the sum of its proper divisors (485051443).

1303145165 is a wasteful number, since it uses less digits than its factorization.

1303145165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21388.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 1303145165 is about 36099.1019971411. The cubic root of 1303145165 is about 1092.2723307981.

Adding to 1303145165 its reverse (5615413031), we get a palindrome (6918558196).

The spelling of 1303145165 in words is "one billion, three hundred three million, one hundred forty-five thousand, one hundred sixty-five".