1345747585 has 16 divisors (see below), whose sum is σ = 1987566336. Its totient is φ = 851813568.

The previous prime is 1345747567. The next prime is 1345747589. The reversal of 1345747585 is 5857475431.

It is a cyclic number.

It is not a de Polignac number, because 1345747585 - 2¹⁵ = 1345714817 is a prime.

It is a super-2 number, since 2×1345747585² = 3622073125066664450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1345747589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1478389 + ... + 1479298.

It is an arithmetic number, because the mean of its divisors is an integer number (124222896).

Almost surely, 2^1345747585 is an apocalyptic number.

It is an amenable number.

1345747585 is a deficient number, since it is larger than the sum of its proper divisors (641818751).

1345747585 is a wasteful number, since it uses less digits than its factorization.

1345747585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2957712.

The product of its digits is 2352000, while the sum is 49.

The square root of 1345747585 is about 36684.4324611953. The cubic root of 1345747585 is about 1104.0477822844.

The spelling of 1345747585 in words is "one billion, three hundred forty-five million, seven hundred forty-seven thousand, five hundred eighty-five".