1814868545 has 16 divisors (see below), whose sum is σ = 2514626688. Its totient is φ = 1231649280.

The previous prime is 1814868533. The next prime is 1814868553. The reversal of 1814868545 is 5458684181.

It is a de Polignac number, because none of the positive numbers 2^k-1814868545 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1814868493 and 1814868502.

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, 263891 + ... + 270680.

It is an arithmetic number, because the mean of its divisors is an integer number (157164168).

Almost surely, 2^1814868545 is an apocalyptic number.

It is an amenable number.

1814868545 is a deficient number, since it is larger than the sum of its proper divisors (699758143).

1814868545 is an equidigital number, since it uses as much as digits as its factorization.

1814868545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534680.

The product of its digits is 1228800, while the sum is 50.

The square root of 1814868545 is about 42601.2739832977. The cubic root of 1814868545 is about 1219.7806075525.

The spelling of 1814868545 in words is "one billion, eight hundred fourteen million, eight hundred sixty-eight thousand, five hundred forty-five".