1313345145 has 16 divisors (see below), whose sum is σ = 2401545600. Its totient is φ = 600386304.

The previous prime is 1313345123. The next prime is 1313345161. The reversal of 1313345145 is 5415433131.

It is not a de Polignac number, because 1313345145 - 2⁹ = 1313344633 is a prime.

It is a Curzon 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, 6253920 + ... + 6254129.

It is an arithmetic number, because the mean of its divisors is an integer number (150096600).

Almost surely, 2^1313345145 is an apocalyptic number.

1313345145 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1313345145 is a deficient number, since it is larger than the sum of its proper divisors (1088200455).

1313345145 is a wasteful number, since it uses less digits than its factorization.

1313345145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12508064.

The product of its digits is 10800, while the sum is 30.

The square root of 1313345145 is about 36240.1040975326. The cubic root of 1313345145 is about 1095.1147395456.

Adding to 1313345145 its reverse (5415433131), we get a palindrome (6728778276).

The spelling of 1313345145 in words is "one billion, three hundred thirteen million, three hundred forty-five thousand, one hundred forty-five".