1018357845 has 16 divisors (see below), whose sum is σ = 1673410560. Its totient is φ = 528444864.

The previous prime is 1018357831. The next prime is 1018357849. The reversal of 1018357845 is 5487538101.

It is a de Polignac number, because none of the positive numbers 2^k-1018357845 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1018357797 and 1018357806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1018357849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 916885 + ... + 917994.

It is an arithmetic number, because the mean of its divisors is an integer number (104588160).

Almost surely, 2^1018357845 is an apocalyptic number.

1018357845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1018357845 is a deficient number, since it is larger than the sum of its proper divisors (655052715).

1018357845 is a wasteful number, since it uses less digits than its factorization.

1018357845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1834924.

The product of its (nonzero) digits is 134400, while the sum is 42.

The square root of 1018357845 is about 31911.7195556742. The cubic root of 1018357845 is about 1006.0822133470.

The spelling of 1018357845 in words is "one billion, eighteen million, three hundred fifty-seven thousand, eight hundred forty-five".