2245783161 has 4 divisors (see below), whose sum is σ = 2994377552. Its totient is φ = 1497188772.

The previous prime is 2245783153. The next prime is 2245783201. The reversal of 2245783161 is 1613875422.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2245783161 - 2³ = 2245783153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2245783061) 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, 374297191 + ... + 374297196.

It is an arithmetic number, because the mean of its divisors is an integer number (748594388).

Almost surely, 2^2245783161 is an apocalyptic number.

It is an amenable number.

2245783161 is a deficient number, since it is larger than the sum of its proper divisors (748594391).

2245783161 is an equidigital number, since it uses as much as digits as its factorization.

2245783161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 748594390.

The product of its digits is 80640, while the sum is 39.

The square root of 2245783161 is about 47389.6946708881. The cubic root of 2245783161 is about 1309.5515744662.

The spelling of 2245783161 in words is "two billion, two hundred forty-five million, seven hundred eighty-three thousand, one hundred sixty-one".