2845547139 has 4 divisors (see below), whose sum is σ = 3794062856. Its totient is φ = 1897031424.

The previous prime is 2845547101. The next prime is 2845547147. The reversal of 2845547139 is 9317455482.

2845547139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2845547139 - 2²³ = 2837158531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2845547039) 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, 474257854 + ... + 474257859.

It is an arithmetic number, because the mean of its divisors is an integer number (948515714).

Almost surely, 2^2845547139 is an apocalyptic number.

2845547139 is a deficient number, since it is larger than the sum of its proper divisors (948515717).

2845547139 is an equidigital number, since it uses as much as digits as its factorization.

2845547139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 948515716.

The product of its digits is 1209600, while the sum is 48.

The square root of 2845547139 is about 53343.6700930860. The cubic root of 2845547139 is about 1417.0611604357.

The spelling of 2845547139 in words is "two billion, eight hundred forty-five million, five hundred forty-seven thousand, one hundred thirty-nine".