1345854885 has 16 divisors (see below), whose sum is σ = 2177565120. Its totient is φ = 709723520.

The previous prime is 1345854871. The next prime is 1345854943. The reversal of 1345854885 is 5884585431.

It is not a de Polignac number, because 1345854885 - 2⁴ = 1345854869 is a prime.

It is a super-2 number, since 2×1345854885² = 3622650742956726450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 502731 + ... + 505400.

It is an arithmetic number, because the mean of its divisors is an integer number (136097820).

Almost surely, 2^1345854885 is an apocalyptic number.

1345854885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1345854885 is a deficient number, since it is larger than the sum of its proper divisors (831710235).

1345854885 is a wasteful number, since it uses less digits than its factorization.

1345854885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008228.

The product of its digits is 3072000, while the sum is 51.

The square root of 1345854885 is about 36685.8949052630. The cubic root of 1345854885 is about 1104.0771243839.

The spelling of 1345854885 in words is "one billion, three hundred forty-five million, eight hundred fifty-four thousand, eight hundred eighty-five".