2289465155 has 4 divisors (see below), whose sum is σ = 2747358192. Its totient is φ = 1831572120.

The previous prime is 2289465131. The next prime is 2289465163. The reversal of 2289465155 is 5515649822.

2289465155 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 2289465155 - 2³⁰ = 1215723331 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 228946511 + ... + 228946520.

It is an arithmetic number, because the mean of its divisors is an integer number (686839548).

Almost surely, 2^2289465155 is an apocalyptic number.

2289465155 is a deficient number, since it is larger than the sum of its proper divisors (457893037).

2289465155 is an equidigital number, since it uses as much as digits as its factorization.

2289465155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457893036.

The product of its digits is 864000, while the sum is 47.

The square root of 2289465155 is about 47848.3558233718. The cubic root of 2289465155 is about 1317.9876658965.

The spelling of 2289465155 in words is "two billion, two hundred eighty-nine million, four hundred sixty-five thousand, one hundred fifty-five".