2845547140 has 12 divisors (see below), whose sum is σ = 5975649036. Its totient is φ = 1138218848.

The previous prime is 2845547101. The next prime is 2845547147. The reversal of 2845547140 is 417455482.

It can be written as a sum of positive squares in 2 ways, for example, as 1698099264 + 1147447876 = 41208^2 + 33874^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2845547093 and 2845547102.

It is not an unprimeable number, because it can be changed into a prime (2845547147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71138659 + ... + 71138698.

It is an arithmetic number, because the mean of its divisors is an integer number (497970753).

Almost surely, 2^2845547140 is an apocalyptic number.

2845547140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2845547140 is an abundant number, since it is smaller than the sum of its proper divisors (3130101896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2845547140 is a wasteful number, since it uses less digits than its factorization.

2845547140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142277366 (or 142277364 counting only the distinct ones).

The product of its (nonzero) digits is 179200, while the sum is 40.

The square root of 2845547140 is about 53343.6701024592. The cubic root of 2845547140 is about 1417.0611606017.

The spelling of 2845547140 in words is "two billion, eight hundred forty-five million, five hundred forty-seven thousand, one hundred forty".